knudsen.dk DNS records

🖥️ Nameservers2 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
sage.ns.cloudflare.com	108.162.195.236 162.159.44.236 172.64.35.236 2606:4700:58::a29f:2cec 2803:f800:50::6ca2:c3ec 2a06:98c1:50::ac40:23ec	sage.ns.cloudflare.com sage.ns.cloudflare.com sage.ns.cloudflare.com sage.ns.cloudflare.com sage.ns.cloudflare.com sage.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
veronica.ns.cloudflare.com	108.162.194.173 162.159.38.173 172.64.34.173 2606:4700:50::a29f:26ad 2803:f800:50::6ca2:c2ad 2a06:98c1:50::ac40:22ad	veronica.ns.cloudflare.com veronica.ns.cloudflare.com veronica.ns.cloudflare.com veronica.ns.cloudflare.com veronica.ns.cloudflare.com veronica.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.99.248.199	300s	m01.webswarm.fra1-03.do.fjordmail.no	AS14061	DigitalOcean, LLC	167.99.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.dka.mailcore.net	185.138.56.198 185.138.56.198 185.138.56.208 185.138.56.208 194.19.134.70 194.19.134.70 194.19.134.80 194.19.134.80 2001:2010:18:1::70 2001:2010:18:1::80 2a07:a80:1::198 2a07:a80:1::208	198.128-255.56.138.185.in-addr.arpa mx.dka.mailcore.net 208.128-255.56.138.185.in-addr.arpa mx.dka.mailcore.net 70.0-127.134.19.194.in-addr.arpa mx.dka.mailcore.net 80.0-127.134.19.194.in-addr.arpa mx.dka.mailcore.net mx.dka.mailcore.net mx.dka.mailcore.net mx.dka.mailcore.net mx.dka.mailcore.net	AS34766 atom86 BV AS34766 atom86 BV AS34766 atom86 BV AS34766 atom86 BV AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS34766 atom86 BV AS34766 atom86 BV

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 323ms

TXT Record
v=spf1 include:spf.lytzenitmail.dk include:spf.mailcore.net ip4:212.242.40.0/21 -all

✉️ SPF

Policy	Record (knudsen.dk)
-all (hard fail)	v=spf1 include:spf.lytzenitmail.dk include:spf.mailcore.net ip4:212.242.40.0/21 -all

📨 DMARC

Policy	Record (_dmarc.knudsen.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s; fo=1; sp=reject; ruf=mailto:postmaster@knudsen.dk;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records10 records 98ms

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

🔗 TLSA / DANE1 records 113ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.dka.mailcore.net	DANE-EE · SPKI · SHA-256	40F9D37C5916C036178AC4588F4425C9…

🔐 DNSSEC127ms

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	2412940316
Primary NS (MNAME)	sage.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-08-24 04:54:59

Field	Value
Registrar	Domeneshop AS
Registered	1997-01-31
Expires	2027-03-31 (208d)

📋 WHOIS

⏱️ Lookup Timing

NS

79ms

A

77ms

MX

49ms

AAAA

75ms

TXT

323ms

CAA

98ms

HTTPS

69ms

TLSA

113ms

SOA

0ms

MTA-STS

114ms

DNSSEC

127ms

SRV

100ms

Total

1278ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 03:50:46	1278ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 04:54:12	5616ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 00:53:03	9878ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-03 11:57:16	1658ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-07-03 05:38:43	1130ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 05:38:41	1119ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 08:22:54	3899ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:21:37	3485ms	2 NS 1 A 1 MX	🔓 Insecure	View