Sitelet https://robtex.com/en/dns-lookup/gu

gu - robtex.com

πŸ›‘οΈDomain Reputation CheckBlocklist, phishing & malware statusβ†’

gu

DNSSEC⚠️ Not signed
NSgreen.uog.edu ⭐ ⚠️ Not in zone NS records
A168.123.250.56πŸ‡¬πŸ‡Ί UNIVERSITY-GU168.123.128.0/17 University of Guam
PTRgreen.uog.edu
NSgold-test.uog.edu ⚠️ Not in zone NS records
A168.123.250.70πŸ‡¬πŸ‡Ί UNIVERSITY-GU168.123.128.0/17 University of Guam
NSgold.uog.edu ⚠️ Not in zone NS records
A168.123.250.66πŸ‡¬πŸ‡Ί UNIVERSITY-GU168.123.128.0/17 University of Guam
PTRgold.uog.edu
NSgu.cctld.authdns.ripe.net ⚠️ Not in zone NS records
A2a13:27c0:30::78πŸ‡³πŸ‡± RIPE-NCC-AUTHDNS-AS2a13:27c0:30::/48 Auth DNS Service Network
PTRgu.cctld.authdns.ripe.net
A193.0.9.78πŸ‡³πŸ‡± RIPE-NCC-AUTHDNS-AS193.0.9.0/24 Auth DNS Service Network
PTRgu.cctld.authdns.ripe.net
NSphloem.uoregon.edu ⚠️ Not in zone NS records
A2001:468:d01:20::80df:2023πŸ‡ΊπŸ‡Έ UONET2001:468:d01::/48 University of Oregon
PTRphloem.uoregon.edu
A128.223.32.35πŸ‡ΊπŸ‡Έ UONET128.223.0.0/16 University of Oregon
PTRphloem.uoregon.edu
SOAgreen.uog.eduuognoc@triton.uog.edu 2026-09-03 #0

(root)

DNSSECπŸ”’ Signed (DS record present)
NSa.root-servers.net ⭐ ⚠️ Not in parent delegation
NSb.root-servers.net ⚠️ Not in parent delegation
NSc.root-servers.net ⚠️ Not in parent delegation
NSd.root-servers.net ⚠️ Not in parent delegation
NSe.root-servers.net ⚠️ Not in parent delegation
NSf.root-servers.net ⚠️ Not in parent delegation
NSg.root-servers.net ⚠️ Not in parent delegation
NSh.root-servers.net ⚠️ Not in parent delegation
NSi.root-servers.net ⚠️ Not in parent delegation
NSj.root-servers.net ⚠️ Not in parent delegation
NSk.root-servers.net ⚠️ Not in parent delegation
NSl.root-servers.net ⚠️ Not in parent delegation
NSm.root-servers.net ⚠️ Not in parent delegation
SOAa.root-servers.netnstld@verisign-grs.com 2026-10-04 #1

Subdomains

Same first word

Similar names

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSgold-test.uog.edugold.uog.edugreen.uog.edugu.cctld.authdns.ripe.netphloem.uoregon.eduns.edu.guns.gunsuog.edu.gu
●NSgold-test.uog.edu2026-07-16 β†’ 2026-10-04 Β· 3 obs
β—‹ 2017-07-01 09:46:54
● 2026-07-16 12:42:12
● 2026-10-04 18:29:10
●NSgold.uog.edu2017-06-06 β†’ 2026-10-04 Β· 3 obs
β—‹ 2017-05-31 02:29:56
● 2017-06-06 21:52:30
● 2026-10-04 18:29:10
●NSgreen.uog.edu2017-06-06 β†’ 2026-10-04 Β· 3 obs
β—‹ 2017-05-31 02:29:56
● 2017-06-06 21:52:30
● 2026-10-04 18:29:10
●NSgu.cctld.authdns.ripe.net2015-09-02 β†’ 2026-10-04 Β· 6 obs
● 2015-09-02 09:41:36
● 2017-05-31 02:29:56
β—‹ 2017-06-06 21:52:30
β—‹ 2017-06-19 04:25:36
● 2017-07-01 09:46:54
● 2026-10-04 18:29:10
β—‹NSns.edu.gu2015-09-02 β†’ 2017-05-31 Β· 74 obs
● 2015-09-02 09:41:36
β—‹ 2015-09-04 19:40:02
● 2015-09-06 02:42:28
β—‹ 2015-09-07 05:52:20
β—‹ 2015-09-11 18:18:06
● 2015-09-13 07:03:08
● 2015-09-15 17:49:32
β—‹ 2015-09-17 07:03:04
β—‹ 2015-09-23 05:31:12
● 2015-09-25 03:04:10
β—‹ 2015-09-27 21:24:24
β—‹ 2015-09-30 21:48:50
● 2015-10-02 08:54:14
β—‹ 2015-10-03 09:01:02
β—‹ 2015-10-08 10:49:18
● 2015-10-10 01:21:16
β—‹ 2015-10-11 01:21:32
● 2015-10-15 04:08:24
β—‹ 2015-10-16 06:37:02
β—‹ 2015-10-20 12:19:04
● 2015-10-21 14:02:58
β—‹ 2015-10-22 15:17:44
● 2015-10-23 21:00:24
● 2015-10-26 01:20:24
β—‹ 2015-10-27 09:48:42
β—‹ 2015-10-28 16:40:40
● 2015-10-29 16:41:30
● 2015-10-31 02:08:58
β—‹ 2015-11-01 04:48:48
● 2015-11-02 07:28:40
● 2015-11-03 09:48:48
β—‹ 2015-11-04 15:55:30
β—‹ 2015-11-13 14:35:08
● 2015-11-15 13:51:20
β—‹ 2015-11-17 10:13:46
β—‹ 2015-11-21 12:47:42
● 2015-11-23 02:59:28
● 2015-11-24 09:38:28
β—‹ 2015-11-25 11:02:40
β—‹ 2015-12-03 20:51:12
● 2015-12-07 14:31:36
β—‹ 2015-12-09 21:01:40
β—‹ 2015-12-10 22:12:18
● 2015-12-12 13:52:44
● 2015-12-15 23:20:42
β—‹ 2015-12-17 13:05:30
β—‹ 2015-12-19 00:25:58
● 2015-12-20 08:05:52
● 2015-12-21 14:01:50
β—‹ 2015-12-23 16:42:24
● 2015-12-27 15:50:24
β—‹ 2015-12-28 16:50:56
● 2015-12-29 17:03:30
β—‹ 2015-12-30 17:58:10
● 2015-12-31 18:28:36
● 2016-01-03 02:09:20
β—‹ 2016-01-04 03:38:24
● 2016-01-05 10:26:28
β—‹ 2016-01-06 20:50:04
● 2016-01-08 01:49:20
β—‹ 2016-01-10 04:02:34
β—‹ 2016-01-17 15:23:16
● 2016-01-18 23:19:44
β—‹ 2016-01-20 04:52:00
β—‹ 2016-02-08 04:29:44
● 2016-02-09 10:08:52
β—‹ 2016-02-10 17:42:28
β—‹ 2016-02-14 20:03:14
● 2016-02-17 17:49:24
● 2016-02-21 17:38:14
β—‹ 2016-02-29 01:24:32
● 2017-05-31 02:29:56
β—‹ 2017-06-06 21:52:30
β—‹ 2026-10-04 18:29:10
β—‹NSns.gu2015-09-02 β†’ 2017-05-31 Β· 84 obs
● 2015-09-02 09:41:36
● 2015-09-04 19:40:02
β—‹ 2015-09-06 02:42:28
● 2015-09-07 05:52:20
● 2015-09-11 18:18:06
β—‹ 2015-09-13 07:03:08
β—‹ 2015-09-15 17:49:32
● 2015-09-17 07:03:04
● 2015-09-23 05:31:12
β—‹ 2015-09-25 03:04:10
● 2015-09-27 21:24:24
● 2015-09-30 21:48:50
β—‹ 2015-10-02 08:54:14
● 2015-10-03 09:01:02
● 2015-10-08 10:49:18
β—‹ 2015-10-10 01:21:16
● 2015-10-11 01:21:32
β—‹ 2015-10-15 04:08:24
● 2015-10-16 06:37:02
● 2015-10-20 12:19:04
β—‹ 2015-10-21 14:02:58
● 2015-10-22 15:17:44
β—‹ 2015-10-23 21:00:24
β—‹ 2015-10-26 01:20:24
● 2015-10-27 09:48:42
● 2015-10-28 16:40:40
β—‹ 2015-10-29 16:41:30
β—‹ 2015-10-31 02:08:58
● 2015-11-01 04:48:48
β—‹ 2015-11-02 07:28:40
β—‹ 2015-11-03 09:48:48
● 2015-11-04 15:55:30
● 2015-11-08 20:33:46
β—‹ 2015-11-11 11:27:30
● 2015-11-12 14:02:20
● 2015-11-13 14:35:08
β—‹ 2015-11-15 13:51:20
● 2015-11-17 10:13:46
● 2015-11-21 12:47:42
β—‹ 2015-11-23 02:59:28
β—‹ 2015-11-24 09:38:28
● 2015-11-25 11:02:40
● 2015-11-29 08:29:16
β—‹ 2015-11-30 13:05:56
β—‹ 2015-12-02 05:46:02
● 2015-12-03 20:51:12
β—‹ 2015-12-07 14:31:36
● 2015-12-09 21:01:40
● 2015-12-10 22:12:18
β—‹ 2015-12-12 13:52:44
β—‹ 2015-12-15 23:20:42
● 2015-12-17 13:05:30
β—‹ 2015-12-19 00:25:58
β—‹ 2015-12-21 14:01:50
● 2015-12-23 16:42:24
β—‹ 2015-12-27 15:50:24
● 2015-12-28 16:50:56
β—‹ 2015-12-29 17:03:30
● 2015-12-30 17:58:10
β—‹ 2015-12-31 18:28:36
β—‹ 2016-01-03 02:09:20
● 2016-01-04 03:38:24
β—‹ 2016-01-05 10:26:28
● 2016-01-06 20:50:04
β—‹ 2016-01-08 01:49:20
● 2016-01-10 04:02:34
● 2016-01-13 17:17:48
β—‹ 2016-01-16 12:52:42
● 2016-01-17 15:23:16
β—‹ 2016-01-18 23:19:44
● 2016-01-20 04:52:00
● 2016-02-03 00:04:36
β—‹ 2016-02-05 07:22:44
β—‹ 2016-02-06 08:40:08
● 2016-02-08 04:29:44
β—‹ 2016-02-09 10:08:52
● 2016-02-10 17:42:28
● 2016-02-14 20:03:14
β—‹ 2016-02-17 17:49:24
β—‹ 2016-02-21 17:38:14
● 2016-02-29 01:24:32
● 2017-05-31 02:29:56
β—‹ 2017-06-06 21:52:30
β—‹ 2026-10-04 18:29:10
β—‹NSnsuog.edu.gu2015-09-02 β†’ 2017-05-31 Β· 22 obs
● 2015-09-02 09:41:36
β—‹ 2015-09-04 19:40:02
β—‹ 2015-11-08 20:33:46
● 2015-11-11 11:27:30
β—‹ 2015-11-12 14:02:20
β—‹ 2015-11-29 08:29:16
● 2015-11-30 13:05:56
● 2015-12-02 05:46:02
β—‹ 2015-12-03 20:51:12
β—‹ 2015-12-17 13:05:30
● 2015-12-19 00:25:58
β—‹ 2015-12-20 08:05:52
β—‹ 2016-01-13 17:17:48
● 2016-01-16 12:52:42
β—‹ 2016-01-17 15:23:16
β—‹ 2016-02-03 00:04:36
● 2016-02-05 07:22:44
● 2016-02-06 08:40:08
β—‹ 2016-02-08 04:29:44
● 2017-05-31 02:29:56
β—‹ 2017-06-06 21:52:30
β—‹ 2026-10-04 18:29:10
●NSphloem.uoregon.edu2017-06-06 β†’ 2026-10-04 Β· 3 obs
β—‹ 2017-05-31 02:29:56
● 2017-06-06 21:52:30
● 2026-10-04 18:29:10

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
gugreen.uog.edu, gold-test.uog.edu, gold.uog.edu, gu.cctld.authdns.ripe.net...7 records

βœ… Authoritative Response

Server:168.123.250.56

NS records: green.uog.edu, gold-test.uog.edu, gold.uog.edu, gu.cctld.authdns.ripe.net, phloem.uoregon.edu

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gu (unsigned zone)

⏱️ Timing

Total: 544ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS5gold.uog.edu, gu.cctld.authdns.ripe.net...
SOA1green.uog.edu uognoc.triton.uog.edu

πŸ“Œ Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (gold-test.uog.edu, phloem.uoregon.edu, green.uog.edu...)

Analysis

Hierarchy

gu serves as parent to gov.gu, dominos.gu, edu.gu, coastalimagery.gu, oneguam.gu along with a few other host names.

Name Servers

gu has five name servers, which are gold-test.uog.edu, gold.uog.edu, green.uog.edu and two others.

gu has at least partial name server overlap with other domains, such as oregon-gigapop.net, dhcp.pdx.edu, org.gu and two others.

phloem.uoregon.edu, ruminant.uoregon.edu and ns1.f5cloudservices.com β€” plus 7 other name servers β€” are commonly paired with these name servers.

Hostnames that resolve to two IP addresses:

phloem.uoregon.edu maps to two IP addresses β€” 128.223.32.35 and 2001:468:d01:20::80df:2023.

gu.cctld.authdns.ripe.net maps to two IP addresses β€” 193.0.9.78 and 2a13:27c0:30::78.

Hosts with just one IP address:

gold-test.uog.edu points to the IP address 168.123.250.70.

gold.uog.edu points to the IP address 168.123.250.66.

green.uog.edu points to the IP address 168.123.250.56.