double.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
nash.ns.cloudflare.com	108.162.193.209 172.64.33.209 173.245.59.209 2606:4700:58::adf5:3bd1 2803:f800:50::6ca2:c1d1 2a06:98c1:50::ac40:21d1	nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ulla.ns.cloudflare.com	108.162.192.233 172.64.32.233 173.245.58.233 2606:4700:50::adf5:3ae9 2803:f800:50::6ca2:c0e9 2a06:98c1:50::ac40:20e9	ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.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 Records5 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4025:c03::1b 64.233.161.27	rc-in-f27.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4000:1025::1b	lcdels-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4001:c01::1b	lcdels-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4003:c26::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4003:c26::1a	tp-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 150ms

TXT Record
google-site-verification=sWRTjkk52-f537-4kus0xcjwdOYIxD0Sww8nwxEdlxs
v=spf1 include:_spf.google.com -all

✉️ SPF

Policy	Record (double.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC98ms

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	2413667383
Primary NS (MNAME)	nash.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

29ms

A

34ms

MX

33ms

AAAA

34ms

TXT

150ms

CAA

28ms

HTTPS

26ms

TLSA

41ms

SOA

0ms

MTA-STS

52ms

DNSSEC

98ms

SRV

53ms

Total

1011ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 01:11:31	1011ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-09 05:47:11	1488ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-06 14:27:42	9392ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-27 11:39:22	2623ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-16 12:55:58	17533ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-05 20:52:05	2972ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-04 12:15:21	25166ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-22 10:18:20	2031ms	2 NS 0 A 5 MX	⚠️ Bogus	View
2026-06-17 04:22:58	470ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-17 04:20:35	2551ms	2 NS 0 A 5 MX	🔒 Secure	View