derfor.dk DNS records

🖥️ Nameservers2 records 318ms

Nameserver	IP addresses	PTR	ASN / ISP
imani.ns.cloudflare.com	108.162.194.62 162.159.38.62 172.64.34.62 2606:4700:50::a29f:263e 2803:f800:50::6ca2:c23e 2a06:98c1:50::ac40:223e	imani.ns.cloudflare.com imani.ns.cloudflare.com imani.ns.cloudflare.com imani.ns.cloudflare.com imani.ns.cloudflare.com imani.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kianchau.ns.cloudflare.com	108.162.195.179 162.159.44.179 172.64.35.179 2606:4700:58::a29f:2cb3 2803:f800:50::6ca2:c3b3 2a06:98c1:50::ac40:23b3	kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com kianchau.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 280ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.96	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.176.46	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records7 records 238ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4001:c21::1a	yulpptr-in-f26.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.31.96
🔶 Autoconfig	172.67.176.46

🔷 AAAA Records (IPv6)2 records 236ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1f60	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:b02e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 250ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.96,172.67.176.46 ech=AEX+DQBBQQAgACC3LLV29zsUd4APi5d5/7LgGDKjaqs7w3rmXi759yogdwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1f60,2606:4700:3037::ac43:b02e

📝 TXT Records4 records 797ms

TXT Record
google-site-verification=1nFo3sFf_62hcsEnb92vT3Z9baG_aoKXRsieqKlTZIQ
google-site-verification=oTTP2cu3yfWgaLK9w1_E9FyK6wu9eQMHgiUmyUxDJZA
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDhWJDkvqtYmZq19EA1Z4yUKnj36H/W7pfmBBwSkRPUAVjOX+G2hat1CH+MASwmKVxwhQxGRT4fRmfvPVzrp/wDA/ZxMo09fe08UVo2tW6Q/uE++zSikDTYgQLGubHLM1wcFjrcDBaCEVkkXaXscoqZfHcZn9mB4h4oclHP2d10rQIDAQAB
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (derfor.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.derfor.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-reports@derfor.dk

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records10 records 240ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.derfor.dk	Qyybh423CzF5ZGob3kcXo_B1mGmWvM2FdMhDaQg0QHw

🔗 TLSA / DANE

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

🔐 DNSSEC619ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2412092066
Primary NS (MNAME)	imani.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

318ms

A

280ms

MX

238ms

AAAA

236ms

TXT

797ms

CAA

240ms

HTTPS

250ms

TLSA

581ms

SOA

0ms

MTA-STS

489ms

DNSSEC

619ms

SRV

430ms

Total

5760ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:44:50	2103ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-08-19 23:22:13	14352ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-08-16 10:12:44	5760ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-08-12 06:02:38	10802ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-08-10 03:31:31	10887ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-07-29 18:08:48	3939ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-07-22 05:14:52	1968ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-07-16 23:33:20	10672ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-07-09 01:32:07	10213ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-07-03 11:10:59	1143ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-06-25 18:52:32	1065ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-06-19 12:54:26	2622ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-06-17 02:05:55	943ms	2 NS 2 A 7 MX	🔒 Secure	View