gc-srv.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
macy.ns.cloudflare.com	108.162.194.78 162.159.38.78 172.64.34.78 2606:4700:50::a29f:264e 2803:f800:50::6ca2:c24e 2a06:98c1:50::ac40:224e	macy.ns.cloudflare.com macy.ns.cloudflare.com macy.ns.cloudflare.com macy.ns.cloudflare.com macy.ns.cloudflare.com macy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rodney.ns.cloudflare.com	108.162.193.228 172.64.33.228 173.245.59.228 2606:4700:58::adf5:3be4 2803:f800:50::6ca2:c1e4 2a06:98c1:50::ac40:21e4	rodney.ns.cloudflare.com rodney.ns.cloudflare.com rodney.ns.cloudflare.com rodney.ns.cloudflare.com rodney.ns.cloudflare.com rodney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	gcsrv-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 2a01:111:f403:ca38::8 52.101.68.32 52.101.68.5 52.101.73.153 52.101.73.30	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00306.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 78ms

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

📝 TXT Records1 records 253ms

TXT Record
v=spf1 ip4:46.32.144.229 ip4:5.206.193.116 ip4:194.182.10.234 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (gc-srv.dk)
-all (hard fail)	v=spf1 ip4:46.32.144.229 ip4:5.206.193.116 ip4:194.182.10.234 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.gc-srv.dk)
p=reject	v=DMARC1; p=reject;rua=mailto:gc+rua@gc-srv.dk;fo=1;

📬 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)

🔐 DNSSEC127ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413226392
Primary NS (MNAME)	macy.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

47ms

A

697ms

MX

45ms

AAAA

43ms

TXT

253ms

CAA

45ms

HTTPS

79ms

TLSA

367ms

SOA

0ms

MTA-STS

108ms

DNSSEC

127ms

SRV

78ms

Total

2362ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:31:56	2362ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-26 14:26:23	1800ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-06 07:57:13	1757ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-26 10:51:04	1647ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-21 22:10:43	1772ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-09 17:28:18	11057ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 09:35:30	622ms	2 NS 0 A 1 MX	🔒 Secure	View