rf-it.dk DNS records

🖥️ Nameservers2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
marvin.ns.cloudflare.com	108.162.195.251 162.159.44.251 172.64.35.251 2606:4700:58::a29f:2cfb 2803:f800:50::6ca2:c3fb 2a06:98c1:50::ac40:23fb	marvin.ns.cloudflare.com marvin.ns.cloudflare.com marvin.ns.cloudflare.com marvin.ns.cloudflare.com marvin.ns.cloudflare.com marvin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
paityn.ns.cloudflare.com	108.162.194.18 162.159.38.18 172.64.34.18 2606:4700:50::a29f:2612 2803:f800:50::6ca2:c212 2a06:98c1:50::ac40:2212	paityn.ns.cloudflare.com paityn.ns.cloudflare.com paityn.ns.cloudflare.com paityn.ns.cloudflare.com paityn.ns.cloudflare.com paityn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.rf-it.dk	—	—	—

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 247ms

TXT Record
v=spf1 mx ip4:80.243.121.207 ip4:80.243.121.199 ip4:80.243.121.144 ip6:2001:67c:65c:1901:ffff:ffff:1:2 ip6:2001:67c:65c:1902:ffff:ffff:1:2 -all

✉️ SPF

Policy	Record (rf-it.dk)
-all (hard fail)	v=spf1 mx ip4:80.243.121.207 ip4:80.243.121.199 ip4:80.243.121.144 ip6:2001:67c:65c:1901:ffff:ffff:1:2 ip6:2001:67c:65c:1902:ffff:ffff:1:2 -all

📨 DMARC

Policy	Record (_dmarc.rf-it.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC102ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412271912
Primary NS (MNAME)	marvin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

36ms

MX

49ms

AAAA

43ms

TXT

247ms

CAA

59ms

HTTPS

44ms

TLSA

66ms

SOA

0ms

MTA-STS

72ms

DNSSEC

102ms

SRV

78ms

Total

640ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 16:35:13	640ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-17 05:56:00	957ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-22 18:27:51	9738ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-19 05:33:47	2065ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-03 12:49:50	744ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-01 05:24:57	731ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-28 04:08:57	648ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-25 12:05:53	1944ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 23:52:52	2573ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 14:40:41	1516ms	2 NS 0 A 1 MX	🔒 Secure	View