christiansen.dk DNS records

🖥️ Nameservers2 records 58ms

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 43ms

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 53ms

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 206ms

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

✉️ SPF

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

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records10 records 47ms

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 58ms

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

🔐 DNSSEC90ms

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	2411902048
Primary NS (MNAME)	sage.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

58ms

A

43ms

MX

53ms

AAAA

53ms

TXT

206ms

CAA

47ms

HTTPS

64ms

TLSA

58ms

SOA

0ms

MTA-STS

86ms

DNSSEC

90ms

SRV

76ms

Total

890ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:33:39	890ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 16:36:39	1702ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-11 23:29:35	1475ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-30 18:40:35	3261ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 07:49:24	3865ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:46:40	846ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:41:04	1111ms	2 NS 1 A 1 MX	🔓 Insecure	View