gc-as.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
kira.ns.cloudflare.com	108.162.194.197 162.159.38.197 172.64.34.197 2606:4700:50::a29f:26c5 2803:f800:50::6ca2:c2c5 2a06:98c1:50::ac40:22c5	kira.ns.cloudflare.com kira.ns.cloudflare.com kira.ns.cloudflare.com kira.ns.cloudflare.com kira.ns.cloudflare.com kira.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
randy.ns.cloudflare.com	108.162.195.109 162.159.44.109 172.64.35.109 2606:4700:58::a29f:2c6d 2803:f800:50::6ca2:c36d 2a06:98c1:50::ac40:236d	randy.ns.cloudflare.com randy.ns.cloudflare.com randy.ns.cloudflare.com randy.ns.cloudflare.com randy.ns.cloudflare.com randy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.14.25	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.160	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	gcas-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::2 2a01:111:f403:ca09::b 52.101.68.18 52.101.68.27 52.101.73.11 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:e19	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9da0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.14.25,172.67.157.160 ech=AEX+DQBBagAgACCuaiaO+Ou2KUfINop3wRb1xd7eqK/oxChxPk93U5wxVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:e19,2606:4700:3037::ac43:9da0

🔌 SRV Records1 records 76ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 202ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf-eu.letsignit.com include:spf-ca.letsignit.com include:spf-us.letsignit.com -all

✉️ SPF

Policy	Record (gc-as.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf-eu.letsignit.com include:spf-ca.letsignit.com include:spf-us.letsignit.com -all

📨 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)

🔐 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	2411512896
Primary NS (MNAME)	kira.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

51ms

A

55ms

MX

54ms

AAAA

46ms

TXT

202ms

CAA

58ms

HTTPS

60ms

TLSA

184ms

SOA

0ms

MTA-STS

74ms

DNSSEC

90ms

SRV

76ms

Total

1818ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-07 10:02:34	1818ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-05 20:10:26	2146ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 00:47:34	2405ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 02:39:12	1261ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 07:51:30	1858ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 09:27:32	3224ms	2 NS 2 A 1 MX	🔓 Insecure	View