c-kronborg.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
piers.ns.cloudflare.com	108.162.195.16 162.159.44.16 172.64.35.16 2606:4700:58::a29f:2c10 2803:f800:50::6ca2:c310 2a06:98c1:50::ac40:2310	piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
wanda.ns.cloudflare.com	108.162.192.240 172.64.32.240 173.245.58.240 2606:4700:50::adf5:3af0 2803:f800:50::6ca2:c0f0 2a06:98c1:50::ac40:20f0	wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.81.64	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.105	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4025:c01::1a 74.125.131.27	rd-in-f26.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4000:1025::1a	lcdels-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9d69	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:5140	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.64,172.67.157.105 ech=AEX+DQBBzAAgACCMdYXlOvRbXbwrFEYnuLNhqErXvUlq0AWIDhY0ON7OQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9d69,2606:4700:3031::6815:5140

📝 TXT Records1 records 143ms

TXT Record
google-site-verification=_GvZLLOVx8-FqwBwRwWp60dV_dV5V7CoEExltjRC_Bo

✉️ 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.c-kronborg.dk	h31g4rGqH-d_tivFjxuyvq4E--lpY9tQixKO4bhxM-4
TXT	_acme-challenge.c-kronborg.dk	rGg4wtY4LxQx2BQ8e1xFehfSx_TY5LMhiDsr-EijSKc

🔗 TLSA / DANE

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

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2413340306
Primary NS (MNAME)	piers.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

25ms

A

24ms

MX

25ms

AAAA

32ms

TXT

143ms

CAA

33ms

HTTPS

32ms

TLSA

101ms

SOA

0ms

MTA-STS

47ms

DNSSEC

100ms

SRV

56ms

Total

1134ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 08:10:42	1134ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-25 11:26:25	847ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-24 19:28:19	3702ms	2 NS 2 A 5 MX	❓ Unknown	View
2026-08-12 15:55:59	6066ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-21 07:21:31	1797ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-20 02:19:18	1594ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-27 11:15:17	957ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-20 21:15:49	1338ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-20 19:45:17	1105ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 18:41:52	512ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-16 18:40:47	735ms	2 NS 2 A 5 MX	🔓 Insecure	View