collab.root-servers.org - robtex.com
collab.root-servers.org
| CNAME | v1.h4.root-servers.org | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:3f0:0:c::4🇸🇪 NETNOD-IX2a01:3f0::/32 SE-NETNOD-20070709 $Id: route6:2a01:3f0::-32,v 1.2 2010-05-20 10:35:04 nico Exp $ | ||||||
| PTR | v1.h4.root-servers.org | ||||||
| A | 77.72.225.196🇸🇪 NETNOD-IX77.72.224.0/21 $Id: route:77.72.224.0-21,v 1.2 2010-05-20 10:35:04 nico Exp $ | ||||||
| TXT | v=spf1 +a:v1.h4.root-servers.org ~all | ||||||
root-servers.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:67c:2e8:25::c100:b17🇳🇱 RIPE-NCC-AS2001:67c:2e8::/48 RIPE-NCC | ||||||
| A | 193.0.11.23🇳🇱 RIPE-NCC-AS193.0.10.0/23 RIPE-NCC | ||||||
| NS | v1.h4.root-servers.org ⭐ | ||||||
| NS | a.icann-servers.net | ||||||
| NS | jokulsa.asbyrgi.net | ||||||
| NS | nnp.netnod.se | ||||||
| NS | ns-ext.isc.org | ||||||
| NS | ns.maxgigapop.net | ||||||
| NS | sec2.authdns.ripe.net | ||||||
| MX | v1.h4.root-servers.org ⭐ | ||||||
| MX | v1.h3.root-servers.org(2) | ||||||
| TXT | v=spf1 +a:v1.h3.root-servers.org +a:v1.h4.root-servers.org ~all | ||||||
| SOA | v1.h4.root-servers.orghostmaster@root-servers.org 2026-04-14 #0 | ||||||
rank #159251 globally
rank #11069 in the tld
WOT: SAFE (96/100)
📈 Tranco rank: #223,928
Previously NS for
Previously MX for
Same first word
Similar names
DNS History
5 records (1 active, 4 former)
○A2a01:3f0:0:d::2312016-07-13 → 2016-12-29 · 14 obs
● 2016-07-13 05:48:18
● 2016-08-15 19:24:00
○ 2016-08-23 15:24:22
● 2016-09-10 04:15:52
● 2016-10-24 19:05:36
○ 2016-11-01 15:49:04
○ 2016-11-13 11:48:52
● 2016-11-24 13:09:40
○ 2016-11-27 16:42:48
○ 2016-12-24 11:49:28
● 2016-12-25 13:08:42
● 2016-12-29 02:12:08
○ 2017-01-10 12:44:10
○ 2026-04-14 21:23:12
● 2016-08-15 19:24:00
○ 2016-08-23 15:24:22
● 2016-09-10 04:15:52
● 2016-10-24 19:05:36
○ 2016-11-01 15:49:04
○ 2016-11-13 11:48:52
● 2016-11-24 13:09:40
○ 2016-11-27 16:42:48
○ 2016-12-24 11:49:28
● 2016-12-25 13:08:42
● 2016-12-29 02:12:08
○ 2017-01-10 12:44:10
○ 2026-04-14 21:23:12
○A77.72.229.2312016-07-13 → 2017-04-05 · 4 obs
● 2016-07-13 05:48:18
● 2017-04-05 08:21:04
○ 2017-06-28 17:39:04
○ 2026-04-14 21:23:12
● 2017-04-05 08:21:04
○ 2017-06-28 17:39:04
○ 2026-04-14 21:23:12
○CNAMEs1.root-servers.org2021-07-26 → 2021-07-26 · 4 obs
○ 2020-05-22 05:52:40
● 2021-07-26 00:01:34
○ 2026-03-06 23:59:32
○ 2026-04-14 21:23:12
● 2021-07-26 00:01:34
○ 2026-03-06 23:59:32
○ 2026-04-14 21:23:12
○CNAMEs2.root-servers.org2016-07-13 → 2020-05-22 · 4 obs
● 2016-07-13 05:48:18
● 2020-05-22 05:52:40
○ 2021-07-26 00:01:34
○ 2026-04-14 21:23:12
● 2020-05-22 05:52:40
○ 2021-07-26 00:01:34
○ 2026-04-14 21:23:12
●CNAMEv1.h4.root-servers.org2026-03-06 → 2026-04-14 · 3 obs
○ 2021-07-26 00:01:34
● 2026-03-06 23:59:32
● 2026-04-14 21:23:12
● 2026-03-06 23:59:32
● 2026-04-14 21:23:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| root-servers.org | jokulsa.asbyrgi.net, nnp.netnod.se, sec2.authdns.ripe.net, a.icann-servers.net... | 2 records |
✅ Authoritative Response
Server:24.104.150.234
NS records: jokulsa.asbyrgi.net, nnp.netnod.se, sec2.authdns.ripe.net, a.icann-servers.net, ns.maxgigapop.net, ns-ext.isc.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for root-servers.org (unsigned zone)
⏱️ Timing
Total: 749ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | v1.h4.root-servers.org |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-ext.isc.org, ns-ext.isc.org)
Analysis
IP Addresses
collab.root-servers.org points to two IP numbers: 2a01:3f0:0:c::4 and 77.72.225.196.
Other host names, for instance v1.h4.root-servers.org, share IP numbers with collab.root-servers.org.