mailserver.nrcuk.org - robtex.com
mailserver.nrcuk.org
| DNSSEC | β οΈ Not signed | ||||||
nrcuk.org
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::6815:326eπΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:ccf4πΊπΈ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.50.110Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.204.244πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | kirk.ns.cloudflare.com β | ||||||
| NS | tia.ns.cloudflare.com | ||||||
| TXT | google-site-verification=F-w9LQB-RnfVmcZ6WAH9i4s4zfL7PrUsLWqwj15As-s | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.50.110, 172.67.204.244 | ||||||
| IPv6 hints | 2606:4700:3033::6815:326e, 2606:4700:3034::ac43:ccf4 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com | ||||||
| SOA | kirk.ns.cloudflare.comdns@cloudflare.com serial=2406328161 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
βA213.171.216.1142015-06-15 β 2016-11-20 Β· 4 obs
β 2015-06-15 19:55:30
β 2016-11-20 03:36:34
β 2026-02-25 23:09:58
β 2026-07-16 00:23:08
β 2016-11-20 03:36:34
β 2026-02-25 23:09:58
β 2026-07-16 00:23:08
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| nrcuk.org | tia.ns.cloudflare.com, kirk.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.58.229
NS records: tia.ns.cloudflare.com, kirk.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for nrcuk.org (unsigned zone)
β±οΈ Timing
Total: 832ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|