gc-srv.dk

Records from scan: 2026-10-13 20:26:19 · 606ms total · last checked 2026-10-16 00:51 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gc-srv.dk is a .dk domain served by 2 nameservers (macy.ns.cloudflare.com, rodney.ns.cloudflare.com). It was registered on 5 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by gcsrv-dk0e.i-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 43ms

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 Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	gcsrv-dk0e.i-v1.mx.microsoft	2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca21::10 2a01:111:f403:ca48::c 52.101.103.143 52.101.103.36 52.101.68.39 52.101.73.145	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 108ms

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

📝 TXT Records#

1 records 202ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (gc-srv.dk)
-all (hard fail)	v=spf1 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#

186ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20261008122000
max_age	86400s
Policy MX	gcsrv-dk0e.i-v1.mx.microsoft

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt+gc@gc-srv.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-13 20:26:19

www	Exists, no address
www vs bare domain	Neither resolves gc-srv.dk: no address www.gc-srv.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 74ms

Service / Owner	Type	Cert association
SMTP _25._tcp.gcsrv-dk0e.i-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.gcsrv-dk0e.i-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.gcsrv-dk0e.i-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.gcsrv-dk0e.i-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC#

61ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2417373596
Primary NS (MNAME)	macy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 11:08:06

Field	Value
Registrar	Simply.com A/S
Registered	2018-12-05
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

41ms

AAAA

43ms

TXT

202ms

CAA

50ms

HTTPS

38ms

TLSA

74ms

SOA

50ms

MTA-STS

186ms

DNSSEC

61ms

SRV

108ms

Total

606ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 20:26:19 shown	606ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-10 13:27:11	646ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-09 10:37:00	1555ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-08 09:46:45	7341ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-25 04:05:08	1549ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 03:38:54	2515ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-20 15:38:58	2140ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-26 22:31:56	2362ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-26 14:26:23	1800ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-06 07:57:13	1757ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-26 10:51:04	1647ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-21 22:10:43	1772ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-09 17:28:18	11057ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 09:35:30	622ms	2 NS 0 A 1 MX	🔒 Secure