holmogson.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
gene.ns.cloudflare.com	108.162.192.158 172.64.32.158 173.245.58.158 2606:4700:50::adf5:3a9e 2803:f800:50::6ca2:c09e 2a06:98c1:50::ac40:209e	gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
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.

🌍 A Records2 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.9.148	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.160.48	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:a030	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:994	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.9.148,172.67.160.48 ech=AEX+DQBBTAAgACAU3wrYGONsh0C4RLi8Rz5BaRo1wErHW5C4qQFrE+C3AgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a030,2606:4700:3037::6815:994

📝 TXT Records1 records 210ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (holmogson.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.holmogson.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:c4e340e1889a40fda9f97e108e06af1b@dmarc-reports.cloudflare.net;

📬 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)

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2412613609
Primary NS (MNAME)	gene.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

50ms

A

47ms

MX

29ms

AAAA

52ms

TXT

210ms

CAA

22ms

HTTPS

33ms

TLSA

198ms

SOA

0ms

MTA-STS

67ms

DNSSEC

85ms

SRV

79ms

Total

1104ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 06:12:56	1104ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-16 23:00:17	1028ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-27 04:03:13	804ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-18 15:17:24	1509ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-03 13:05:35	9791ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 15:19:56	895ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 13:39:56	2663ms	2 NS 2 A 0 MX	🔒 Secure	View