gu - robtex.com
gu
| DNSSEC | ⚠️ Not signed | ||||||
| NS | green.uog.edu ⭐ | ||||||
| A | 168.123.250.56🇬🇺 UNIVERSITY-GU168.123.128.0/17 University of Guam | ||||||
| NS | gold.uog.edu | ||||||
| A | 168.123.250.66🇬🇺 UNIVERSITY-GU168.123.128.0/17 University of Guam | ||||||
| NS | gu.cctld.authdns.ripe.net | ||||||
| A | 2a13:27c0:30::78🇳🇱 RIPE-NCC-AUTHDNS-AS2a13:27c0:30::/48 Auth DNS Service Network | ||||||
| PTR | gu.cctld.authdns.ripe.net | ||||||
| A | 193.0.9.78🇳🇱 RIPE-NCC-AUTHDNS-AS193.0.9.0/24 Auth DNS Service Network | ||||||
| PTR | gu.cctld.authdns.ripe.net | ||||||
| NS | phloem.uoregon.edu | ||||||
| A | 2001:468:d01:20::80df:2023🇺🇸 UONET2001:468:d01::/48 University of Oregon | ||||||
| PTR | phloem.uoregon.edu | ||||||
| A | 128.223.32.35🇺🇸 UONET128.223.0.0/16 University of Oregon | ||||||
| PTR | phloem.uoregon.edu | ||||||
| SOA | green.uog.eduuognoc@triton.uog.edu 2025-10-14 #0 | ||||||
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-04-23 #1 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSgold.uog.edu2017-06-06 → 2026-04-24 · 3 obs
○ 2017-05-31 02:29:56
● 2017-06-06 21:52:30
● 2026-04-24 04:51:40
● 2017-06-06 21:52:30
● 2026-04-24 04:51:40
●NSgreen.uog.edu2017-06-06 → 2026-04-24 · 3 obs
○ 2017-05-31 02:29:56
● 2017-06-06 21:52:30
● 2026-04-24 04:51:40
● 2017-06-06 21:52:30
● 2026-04-24 04:51:40
●NSgu.cctld.authdns.ripe.net2015-09-02 → 2026-04-24 · 6 obs
● 2015-09-02 09:41:36
● 2017-05-31 02:29:56
○ 2017-06-06 21:52:30
○ 2017-06-19 04:25:36
● 2017-07-01 09:46:54
● 2026-04-24 04:51:40
● 2017-05-31 02:29:56
○ 2017-06-06 21:52:30
○ 2017-06-19 04:25:36
● 2017-07-01 09:46:54
● 2026-04-24 04:51:40
○NSns.edu.gu2015-09-02 → 2017-05-31 · 74 obs
● 2015-09-02 09:41:36
○ 2015-09-04 19:40:02
● 2015-09-06 02:42:28
○ 2015-09-07 05:52:20
○ 2015-09-11 18:18:06
● 2015-09-13 07:03:08
● 2015-09-15 17:49:32
○ 2015-09-17 07:03:04
○ 2015-09-23 05:31:12
● 2015-09-25 03:04:10
○ 2015-09-27 21:24:24
○ 2015-09-30 21:48:50
● 2015-10-02 08:54:14
○ 2015-10-03 09:01:02
○ 2015-10-08 10:49:18
● 2015-10-10 01:21:16
○ 2015-10-11 01:21:32
● 2015-10-15 04:08:24
○ 2015-10-16 06:37:02
○ 2015-10-20 12:19:04
● 2015-10-21 14:02:58
○ 2015-10-22 15:17:44
● 2015-10-23 21:00:24
● 2015-10-26 01:20:24
○ 2015-10-27 09:48:42
○ 2015-10-28 16:40:40
● 2015-10-29 16:41:30
● 2015-10-31 02:08:58
○ 2015-11-01 04:48:48
● 2015-11-02 07:28:40
● 2015-11-03 09:48:48
○ 2015-11-04 15:55:30
○ 2015-11-13 14:35:08
● 2015-11-15 13:51:20
○ 2015-11-17 10:13:46
○ 2015-11-21 12:47:42
● 2015-11-23 02:59:28
● 2015-11-24 09:38:28
○ 2015-11-25 11:02:40
○ 2015-12-03 20:51:12
● 2015-12-07 14:31:36
○ 2015-12-09 21:01:40
○ 2015-12-10 22:12:18
● 2015-12-12 13:52:44
● 2015-12-15 23:20:42
○ 2015-12-17 13:05:30
○ 2015-12-19 00:25:58
● 2015-12-20 08:05:52
● 2015-12-21 14:01:50
○ 2015-12-23 16:42:24
● 2015-12-27 15:50:24
○ 2015-12-28 16:50:56
● 2015-12-29 17:03:30
○ 2015-12-30 17:58:10
● 2015-12-31 18:28:36
● 2016-01-03 02:09:20
○ 2016-01-04 03:38:24
● 2016-01-05 10:26:28
○ 2016-01-06 20:50:04
● 2016-01-08 01:49:20
○ 2016-01-10 04:02:34
○ 2016-01-17 15:23:16
● 2016-01-18 23:19:44
○ 2016-01-20 04:52:00
○ 2016-02-08 04:29:44
● 2016-02-09 10:08:52
○ 2016-02-10 17:42:28
○ 2016-02-14 20:03:14
● 2016-02-17 17:49:24
● 2016-02-21 17:38:14
○ 2016-02-29 01:24:32
● 2017-05-31 02:29:56
○ 2017-06-06 21:52:30
○ 2026-04-24 04:51:40
○ 2015-09-04 19:40:02
● 2015-09-06 02:42:28
○ 2015-09-07 05:52:20
○ 2015-09-11 18:18:06
● 2015-09-13 07:03:08
● 2015-09-15 17:49:32
○ 2015-09-17 07:03:04
○ 2015-09-23 05:31:12
● 2015-09-25 03:04:10
○ 2015-09-27 21:24:24
○ 2015-09-30 21:48:50
● 2015-10-02 08:54:14
○ 2015-10-03 09:01:02
○ 2015-10-08 10:49:18
● 2015-10-10 01:21:16
○ 2015-10-11 01:21:32
● 2015-10-15 04:08:24
○ 2015-10-16 06:37:02
○ 2015-10-20 12:19:04
● 2015-10-21 14:02:58
○ 2015-10-22 15:17:44
● 2015-10-23 21:00:24
● 2015-10-26 01:20:24
○ 2015-10-27 09:48:42
○ 2015-10-28 16:40:40
● 2015-10-29 16:41:30
● 2015-10-31 02:08:58
○ 2015-11-01 04:48:48
● 2015-11-02 07:28:40
● 2015-11-03 09:48:48
○ 2015-11-04 15:55:30
○ 2015-11-13 14:35:08
● 2015-11-15 13:51:20
○ 2015-11-17 10:13:46
○ 2015-11-21 12:47:42
● 2015-11-23 02:59:28
● 2015-11-24 09:38:28
○ 2015-11-25 11:02:40
○ 2015-12-03 20:51:12
● 2015-12-07 14:31:36
○ 2015-12-09 21:01:40
○ 2015-12-10 22:12:18
● 2015-12-12 13:52:44
● 2015-12-15 23:20:42
○ 2015-12-17 13:05:30
○ 2015-12-19 00:25:58
● 2015-12-20 08:05:52
● 2015-12-21 14:01:50
○ 2015-12-23 16:42:24
● 2015-12-27 15:50:24
○ 2015-12-28 16:50:56
● 2015-12-29 17:03:30
○ 2015-12-30 17:58:10
● 2015-12-31 18:28:36
● 2016-01-03 02:09:20
○ 2016-01-04 03:38:24
● 2016-01-05 10:26:28
○ 2016-01-06 20:50:04
● 2016-01-08 01:49:20
○ 2016-01-10 04:02:34
○ 2016-01-17 15:23:16
● 2016-01-18 23:19:44
○ 2016-01-20 04:52:00
○ 2016-02-08 04:29:44
● 2016-02-09 10:08:52
○ 2016-02-10 17:42:28
○ 2016-02-14 20:03:14
● 2016-02-17 17:49:24
● 2016-02-21 17:38:14
○ 2016-02-29 01:24:32
● 2017-05-31 02:29:56
○ 2017-06-06 21:52:30
○ 2026-04-24 04:51:40
○NSns.gu2015-09-02 → 2017-05-31 · 84 obs
● 2015-09-02 09:41:36
● 2015-09-04 19:40:02
○ 2015-09-06 02:42:28
● 2015-09-07 05:52:20
● 2015-09-11 18:18:06
○ 2015-09-13 07:03:08
○ 2015-09-15 17:49:32
● 2015-09-17 07:03:04
● 2015-09-23 05:31:12
○ 2015-09-25 03:04:10
● 2015-09-27 21:24:24
● 2015-09-30 21:48:50
○ 2015-10-02 08:54:14
● 2015-10-03 09:01:02
● 2015-10-08 10:49:18
○ 2015-10-10 01:21:16
● 2015-10-11 01:21:32
○ 2015-10-15 04:08:24
● 2015-10-16 06:37:02
● 2015-10-20 12:19:04
○ 2015-10-21 14:02:58
● 2015-10-22 15:17:44
○ 2015-10-23 21:00:24
○ 2015-10-26 01:20:24
● 2015-10-27 09:48:42
● 2015-10-28 16:40:40
○ 2015-10-29 16:41:30
○ 2015-10-31 02:08:58
● 2015-11-01 04:48:48
○ 2015-11-02 07:28:40
○ 2015-11-03 09:48:48
● 2015-11-04 15:55:30
● 2015-11-08 20:33:46
○ 2015-11-11 11:27:30
● 2015-11-12 14:02:20
● 2015-11-13 14:35:08
○ 2015-11-15 13:51:20
● 2015-11-17 10:13:46
● 2015-11-21 12:47:42
○ 2015-11-23 02:59:28
○ 2015-11-24 09:38:28
● 2015-11-25 11:02:40
● 2015-11-29 08:29:16
○ 2015-11-30 13:05:56
○ 2015-12-02 05:46:02
● 2015-12-03 20:51:12
○ 2015-12-07 14:31:36
● 2015-12-09 21:01:40
● 2015-12-10 22:12:18
○ 2015-12-12 13:52:44
○ 2015-12-15 23:20:42
● 2015-12-17 13:05:30
○ 2015-12-19 00:25:58
○ 2015-12-21 14:01:50
● 2015-12-23 16:42:24
○ 2015-12-27 15:50:24
● 2015-12-28 16:50:56
○ 2015-12-29 17:03:30
● 2015-12-30 17:58:10
○ 2015-12-31 18:28:36
○ 2016-01-03 02:09:20
● 2016-01-04 03:38:24
○ 2016-01-05 10:26:28
● 2016-01-06 20:50:04
○ 2016-01-08 01:49:20
● 2016-01-10 04:02:34
● 2016-01-13 17:17:48
○ 2016-01-16 12:52:42
● 2016-01-17 15:23:16
○ 2016-01-18 23:19:44
● 2016-01-20 04:52:00
● 2016-02-03 00:04:36
○ 2016-02-05 07:22:44
○ 2016-02-06 08:40:08
● 2016-02-08 04:29:44
○ 2016-02-09 10:08:52
● 2016-02-10 17:42:28
● 2016-02-14 20:03:14
○ 2016-02-17 17:49:24
○ 2016-02-21 17:38:14
● 2016-02-29 01:24:32
● 2017-05-31 02:29:56
○ 2017-06-06 21:52:30
○ 2026-04-24 04:51:40
● 2015-09-04 19:40:02
○ 2015-09-06 02:42:28
● 2015-09-07 05:52:20
● 2015-09-11 18:18:06
○ 2015-09-13 07:03:08
○ 2015-09-15 17:49:32
● 2015-09-17 07:03:04
● 2015-09-23 05:31:12
○ 2015-09-25 03:04:10
● 2015-09-27 21:24:24
● 2015-09-30 21:48:50
○ 2015-10-02 08:54:14
● 2015-10-03 09:01:02
● 2015-10-08 10:49:18
○ 2015-10-10 01:21:16
● 2015-10-11 01:21:32
○ 2015-10-15 04:08:24
● 2015-10-16 06:37:02
● 2015-10-20 12:19:04
○ 2015-10-21 14:02:58
● 2015-10-22 15:17:44
○ 2015-10-23 21:00:24
○ 2015-10-26 01:20:24
● 2015-10-27 09:48:42
● 2015-10-28 16:40:40
○ 2015-10-29 16:41:30
○ 2015-10-31 02:08:58
● 2015-11-01 04:48:48
○ 2015-11-02 07:28:40
○ 2015-11-03 09:48:48
● 2015-11-04 15:55:30
● 2015-11-08 20:33:46
○ 2015-11-11 11:27:30
● 2015-11-12 14:02:20
● 2015-11-13 14:35:08
○ 2015-11-15 13:51:20
● 2015-11-17 10:13:46
● 2015-11-21 12:47:42
○ 2015-11-23 02:59:28
○ 2015-11-24 09:38:28
● 2015-11-25 11:02:40
● 2015-11-29 08:29:16
○ 2015-11-30 13:05:56
○ 2015-12-02 05:46:02
● 2015-12-03 20:51:12
○ 2015-12-07 14:31:36
● 2015-12-09 21:01:40
● 2015-12-10 22:12:18
○ 2015-12-12 13:52:44
○ 2015-12-15 23:20:42
● 2015-12-17 13:05:30
○ 2015-12-19 00:25:58
○ 2015-12-21 14:01:50
● 2015-12-23 16:42:24
○ 2015-12-27 15:50:24
● 2015-12-28 16:50:56
○ 2015-12-29 17:03:30
● 2015-12-30 17:58:10
○ 2015-12-31 18:28:36
○ 2016-01-03 02:09:20
● 2016-01-04 03:38:24
○ 2016-01-05 10:26:28
● 2016-01-06 20:50:04
○ 2016-01-08 01:49:20
● 2016-01-10 04:02:34
● 2016-01-13 17:17:48
○ 2016-01-16 12:52:42
● 2016-01-17 15:23:16
○ 2016-01-18 23:19:44
● 2016-01-20 04:52:00
● 2016-02-03 00:04:36
○ 2016-02-05 07:22:44
○ 2016-02-06 08:40:08
● 2016-02-08 04:29:44
○ 2016-02-09 10:08:52
● 2016-02-10 17:42:28
● 2016-02-14 20:03:14
○ 2016-02-17 17:49:24
○ 2016-02-21 17:38:14
● 2016-02-29 01:24:32
● 2017-05-31 02:29:56
○ 2017-06-06 21:52:30
○ 2026-04-24 04:51:40
○NSnsuog.edu.gu2015-09-02 → 2017-05-31 · 22 obs
● 2015-09-02 09:41:36
○ 2015-09-04 19:40:02
○ 2015-11-08 20:33:46
● 2015-11-11 11:27:30
○ 2015-11-12 14:02:20
○ 2015-11-29 08:29:16
● 2015-11-30 13:05:56
● 2015-12-02 05:46:02
○ 2015-12-03 20:51:12
○ 2015-12-17 13:05:30
● 2015-12-19 00:25:58
○ 2015-12-20 08:05:52
○ 2016-01-13 17:17:48
● 2016-01-16 12:52:42
○ 2016-01-17 15:23:16
○ 2016-02-03 00:04:36
● 2016-02-05 07:22:44
● 2016-02-06 08:40:08
○ 2016-02-08 04:29:44
● 2017-05-31 02:29:56
○ 2017-06-06 21:52:30
○ 2026-04-24 04:51:40
○ 2015-09-04 19:40:02
○ 2015-11-08 20:33:46
● 2015-11-11 11:27:30
○ 2015-11-12 14:02:20
○ 2015-11-29 08:29:16
● 2015-11-30 13:05:56
● 2015-12-02 05:46:02
○ 2015-12-03 20:51:12
○ 2015-12-17 13:05:30
● 2015-12-19 00:25:58
○ 2015-12-20 08:05:52
○ 2016-01-13 17:17:48
● 2016-01-16 12:52:42
○ 2016-01-17 15:23:16
○ 2016-02-03 00:04:36
● 2016-02-05 07:22:44
● 2016-02-06 08:40:08
○ 2016-02-08 04:29:44
● 2017-05-31 02:29:56
○ 2017-06-06 21:52:30
○ 2026-04-24 04:51:40
●NSphloem.uoregon.edu2017-06-06 → 2026-04-24 · 3 obs
○ 2017-05-31 02:29:56
● 2017-06-06 21:52:30
● 2026-04-24 04:51:40
● 2017-06-06 21:52:30
● 2026-04-24 04:51:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| gu | phloem.uoregon.edu, gold.uog.edu, green.uog.edu, gu.cctld.authdns.ripe.net | 6 records |
✅ Authoritative Response
Server:168.123.250.66
NS records: phloem.uoregon.edu, gold.uog.edu, green.uog.edu, gu.cctld.authdns.ripe.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gu (unsigned zone)
⏱️ Timing
Total: 542ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | gold.uog.edu, gu.cctld.authdns.ripe.net... |
| SOA | 1 | green.uog.edu uognoc.triton.uog.edu |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (phloem.uoregon.edu, phloem.uoregon.edu, gold.uog.edu...)
Analysis
Hierarchy
gu is the parent of gov.gu, dominos.gu, edu.gu, coastalimagery.gu, aig.gu and a few other host names.
Name Servers
gu is delegated to four name servers: gold.uog.edu, green.uog.edu, phloem.uoregon.edu and gu.cctld.authdns.ripe.net.
gu at least partially shares name servers with other domains, for instance oregon-gigapop.net, dhcp.pdx.edu, org.gu, 241.252.131.in-addr.arpa and unge.gq.
These name servers are commonly used with the following name servers: ruminant.uoregon.edu, ns1.f5cloudservices.com, lsu-bdds1.lsu.edu, dns0.pdx.edu, dns1.pdx.edu, walt.ee.pdx.edu, ns1.nero.net, ns1.lesd.k12.or.us, ns1.net.linkoregon.org and dzowo.uem.mz.
Host names with two IP numbers:
phloem.uoregon.edu points to 2001:468:d01:20::80df:2023 and 128.223.32.35; gu.cctld.authdns.ripe.net points to 2a13:27c0:30::78 and 193.0.9.78.
Host names with one IP number:
gold.uog.edu points to 168.123.250.66; green.uog.edu points to 168.123.250.56.