cortrium.dk DNS records

🖥️ Nameservers2 records 216ms

Nameserver	IP addresses	PTR	ASN / ISP
edna.ns.cloudflare.com	108.162.192.109 172.64.32.109 173.245.58.109 2606:4700:50::adf5:3a6d 2803:f800:50::6ca2:c06d 2a06:98c1:50::ac40:206d	edna.ns.cloudflare.com edna.ns.cloudflare.com edna.ns.cloudflare.com edna.ns.cloudflare.com edna.ns.cloudflare.com edna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kyree.ns.cloudflare.com	108.162.195.207 162.159.44.207 172.64.35.207 2606:4700:58::a29f:2ccf 2803:f800:50::6ca2:c3cf 2a06:98c1:50::ac40:23cf	kyree.ns.cloudflare.com kyree.ns.cloudflare.com kyree.ns.cloudflare.com kyree.ns.cloudflare.com kyree.ns.cloudflare.com kyree.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 208ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.39	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.176.173	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 215ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:b0ad	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3827	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 219ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.39,172.67.176.173 ech=AEX+DQBBbgAgACDMXTfKpZqwqGkOdYz6sNcNzkV86QsvnUWmtDwc24PKMQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:b0ad,2606:4700:3037::6815:3827

📝 TXT Records1 records 533ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (cortrium.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.cortrium.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6412b30a87d94450a470dc9ef6592f02@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC366ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA287ms

Field	Value
Serial	2407169854
Primary NS (MNAME)	edna.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

216ms

A

208ms

MX

249ms

AAAA

215ms

TXT

533ms

CAA

211ms

HTTPS

219ms

TLSA

196ms

SOA

287ms

MTA-STS

280ms

DNSSEC

366ms

SRV

287ms

Total

1875ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 18:32:37	555ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-05 04:57:41	1542ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-23 05:51:06	1692ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-17 05:03:46	850ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-12 05:05:05	2842ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-27 16:51:55	1875ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-24 16:41:25	1088ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-21 09:02:22	2019ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-20 21:33:54	1126ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-16 22:52:45	1455ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-16 22:31:09	606ms	2 NS 2 A 0 MX	🔒 Secure	View