udbykro.dk DNS records

🖥️ Nameservers2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
gordon.ns.cloudflare.com	108.162.193.170 172.64.33.170 173.245.59.170 2606:4700:58::adf5:3baa 2803:f800:50::6ca2:c1aa 2a06:98c1:50::ac40:21aa	gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
katja.ns.cloudflare.com	108.162.194.53 162.159.38.53 172.64.34.53 2606:4700:50::a29f:2635 2803:f800:50::6ca2:c235 2a06:98c1:50::ac40:2235	katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.19.99	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.185.189	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
70	300s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:1363	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:b9bd	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=104.21.19.99,172.67.185.189 ech=AEX+DQBB0gAgACCY23AJFaxEhZtwKx1UNyKwjHLeaIbG6J22qyZ4Km+RbQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1363,2606:4700:3037::ac43:b9bd

📝 TXT Records1 records 212ms

TXT Record
google-site-verification=knE_R4nvl-XaemNtcHsVJwRMePQi2rYzuvrfL018pW4

✉️ 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 / DANE

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

🔐 DNSSEC79ms

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	2411665472
Primary NS (MNAME)	gordon.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

41ms

A

50ms

MX

46ms

AAAA

46ms

TXT

212ms

CAA

51ms

HTTPS

33ms

TLSA

82ms

SOA

0ms

MTA-STS

60ms

DNSSEC

79ms

SRV

84ms

Total

1345ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 19:28:13	1345ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 09:31:08	1891ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-07 04:48:35	8965ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-01 01:17:07	826ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 05:31:58	656ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 13:13:06	3327ms	2 NS 2 A 1 MX	🔓 Insecure	View