claus-hjelm.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
isaac.ns.cloudflare.com	108.162.193.177 172.64.33.177 173.245.59.177 2606:4700:58::adf5:3bb1 2803:f800:50::6ca2:c1b1 2a06:98c1:50::ac40:21b1	isaac.ns.cloudflare.com isaac.ns.cloudflare.com isaac.ns.cloudflare.com isaac.ns.cloudflare.com isaac.ns.cloudflare.com isaac.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosalyn.ns.cloudflare.com	108.162.194.59 162.159.38.59 172.64.34.59 2606:4700:50::a29f:263b 2803:f800:50::6ca2:c23b 2a06:98c1:50::ac40:223b	rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.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
104.21.36.246	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.201.101	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod5-cph3.one.com	185.164.14.54	mx1.pub.mailpod5-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod5-cph3.one.com	185.164.14.55	mx2.pub.mailpod5-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod5-cph3.one.com	185.164.14.56	mx3.pub.mailpod5-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.201.101
🔶 Autoconfig	172.67.201.101

🔷 AAAA Records (IPv6)2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:24f6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:c965	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.36.246,172.67.201.101 ech=AEX+DQBBWQAgACAs3d9bkcyi5VXq5U3S0CM4pGNItk+uvHTwIMOb/r4sLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:24f6,2606:4700:3037::ac43:c965

📝 TXT Records1 records 224ms

TXT Record
google-site-verification=QAl3c6VT9Vc8jPmdN1fT0Y8C8H3yFBUZl-2CS3rLiCk

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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 / DANE3 records 91ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com	DANE-EE · SPKI · SHA-256	63EF463E384F266BA4F41EE149A2C594…
SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com	DANE-EE · SPKI · SHA-256	63EF463E384F266BA4F41EE149A2C594…
SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com	DANE-EE · SPKI · SHA-256	63EF463E384F266BA4F41EE149A2C594…

🔐 DNSSEC83ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2412555579
Primary NS (MNAME)	isaac.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

42ms

A

47ms

MX

29ms

AAAA

48ms

TXT

224ms

CAA

65ms

HTTPS

52ms

TLSA

91ms

SOA

0ms

MTA-STS

67ms

DNSSEC

83ms

SRV

89ms

Total

1326ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 12:28:07	1326ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-18 23:36:18	3699ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-25 23:07:55	1175ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-27 11:27:03	1123ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-25 19:59:56	845ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-16 21:10:05	928ms	2 NS 2 A 3 MX	🔓 Insecure	View