nrt1.isc.org - robtex.com
nrt1.isc.org
| DNSSEC | ⚠️ Not signed | ||||||
isc.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a04:4e42::729🇺🇸 Fastly2a04:4e42::/48 | ||||||
| A | 2a04:4e42:200::729🇺🇸 Fastly2a04:4e42:200::/48 | ||||||
| A | 2a04:4e42:400::729🇺🇸 Fastly2a04:4e42:400::/48 | ||||||
| A | 2a04:4e42:600::729🇺🇸 Fastly2a04:4e42:600::/48 | ||||||
| A | 151.101.2.217🇺🇸 Fastly151.101.0.0/22 | ||||||
| A | 151.101.66.217🇺🇸 Fastly151.101.64.0/22 | ||||||
| A | 151.101.130.217🇺🇸 Fastly151.101.128.0/22 | ||||||
| A | 151.101.194.217🇺🇸 Fastly151.101.192.0/22 | ||||||
| NS | ns-int.isc.org ⭐ | ||||||
| NS | ns.isc.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | ns1.isc.org | ||||||
| NS | ns2.isc.org | ||||||
| NS | ns3.isc.org | ||||||
| NS | nsp.dnsnode.net ⚠️ Not in parent delegation | ||||||
| MX | mx.pao1.isc.org ⭐ | ||||||
| MX | mx.ams1.isc.org(10) | ||||||
| TXT | google-site-verification=wg4m8dWi3XVPRYmtBoy6xSKp3juhxIWa6UdxjZkNQCg | ||||||
| TXT | v=spf1 a mx ip4:149.20.0.0/20 ip6:2001:04F8::0/32 ip6:2001:500:60::65/128 ip4... | ||||||
| TXT | MS=2583E0E0DCCBF33EC6DAFF0B4BFBAF78FFCF7AD0 | ||||||
| TXT | F8C4EB9011 | ||||||
| TXT | google-site-verification=6v652rgkk_kI6Ky32iGdxqXjQ4_BAd5DYKsrnRXKUiE | ||||||
| TXT | google-site-verification=grXE1SbXWNed6C5yQgI8fwxgucE0DppnbICbhZr9qG0 | ||||||
| TXT | _globalsign-domain-verification=ckxXdoIq27XGYE4ATbBYQOBeV7PTJWRxYe-PXDyzMX | ||||||
| SOA | ns-int.isc.orghostmaster@isc.org 2026-03-20 #44 | ||||||
rank #894 globally
rank #116 in the tld
This domain "isc.org" stands for Internet Systems Consortium. ISC is a non-profit organization that develops open source software for the internet community. They are best known for developing the BIND DNS software, the ISC DHCP server, and the Kea DHCP server. Their work is essential for reliable internet infrastructure.WOT: SAFE (95/100)
📈 Tranco rank: #3,261
Similar names
DNS History
8 records (0 active, 8 former)
○NSams.sns-pb.isc.org2015-08-17 → 2016-12-23 · 5 obs
○ 2009-02-01 03:45:50
● 2015-08-17 13:47:10
● 2016-12-23 11:40:56
○ 2020-12-16 00:19:12
○ 2026-03-26 18:44:40
● 2015-08-17 13:47:10
● 2016-12-23 11:40:56
○ 2020-12-16 00:19:12
○ 2026-03-26 18:44:40
○NSns-ext.isc.org2009-02-01 → 2009-02-01 · 3 obs
● 2009-02-01 03:45:50
○ 2015-08-17 13:47:10
○ 2026-03-26 18:44:40
○ 2015-08-17 13:47:10
○ 2026-03-26 18:44:40
○NSns-ext.lga1.isc.org2009-02-01 → 2009-02-01 · 3 obs
● 2009-02-01 03:45:50
○ 2015-08-17 13:47:10
○ 2026-03-26 18:44:40
○ 2015-08-17 13:47:10
○ 2026-03-26 18:44:40
○NSns-ext.nrt1.isc.org2009-02-01 → 2009-02-01 · 3 obs
● 2009-02-01 03:45:50
○ 2015-08-17 13:47:10
○ 2026-03-26 18:44:40
○ 2015-08-17 13:47:10
○ 2026-03-26 18:44:40
○NSns-ext.sth1.isc.org2009-02-01 → 2009-02-01 · 3 obs
● 2009-02-01 03:45:50
○ 2015-08-17 13:47:10
○ 2026-03-26 18:44:40
○ 2015-08-17 13:47:10
○ 2026-03-26 18:44:40
○NSns-int.isc.org2015-08-17 → 2016-12-23 · 5 obs
○ 2009-02-01 03:45:50
● 2015-08-17 13:47:10
● 2016-12-23 11:40:56
○ 2020-12-16 00:19:12
○ 2026-03-26 18:44:40
● 2015-08-17 13:47:10
● 2016-12-23 11:40:56
○ 2020-12-16 00:19:12
○ 2026-03-26 18:44:40
○NSord.sns-pb.isc.org2015-08-17 → 2016-12-23 · 5 obs
○ 2009-02-01 03:45:50
● 2015-08-17 13:47:10
● 2016-12-23 11:40:56
○ 2020-12-16 00:19:12
○ 2026-03-26 18:44:40
● 2015-08-17 13:47:10
● 2016-12-23 11:40:56
○ 2020-12-16 00:19:12
○ 2026-03-26 18:44:40
○NSsfba.sns-pb.isc.org2015-08-17 → 2016-12-23 · 5 obs
○ 2009-02-01 03:45:50
● 2015-08-17 13:47:10
● 2016-12-23 11:40:56
○ 2020-12-16 00:19:12
○ 2026-03-26 18:44:40
● 2015-08-17 13:47:10
● 2016-12-23 11:40:56
○ 2020-12-16 00:19:12
○ 2026-03-26 18:44:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| isc.org | ns.isc.afilias-nst.info, ns1.isc.org, ns2.isc.org, ns3.isc.org... | 6 records |
✅ Authoritative Response
Server:149.20.2.26
NS records: ns.isc.afilias-nst.info, ns1.isc.org, ns2.isc.org, ns3.isc.org, nsp.dnsnode.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 465ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 6
In-bailiwick: 6 (ns1.isc.org, ns1.isc.org, ns2.isc.org...)