gc-srv.dk

📜 Historical scan 2026-09-24 03:38:54 · ← Latest scan

⬇ 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.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 44ms

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 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	gcsrv-dk0e.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::a 2a01:111:f403:ca21::a 2a01:111:f403:ca48::10 52.101.185.114 52.101.73.123 52.101.73.126 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr05cu00105.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 71ms

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

📝 TXT Records#

1 records 183ms

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

🧩 Web & zone#

latest probe, not this scan · 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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gc-srv.dk	SC83ryQVKfsf5LotbxJzggiS_KEnykOqAuczMbl3vKw
TXT	_acme-challenge.gc-srv.dk	hA5KPixeInnI_kJnUogGgQDEl1F6G_xxQcOuNDJuWwc

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

129ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415639849
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 (72d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

61ms

62ms

AAAA

32ms

TXT

183ms

CAA

41ms

HTTPS

33ms

TLSA

583ms

SOA

0ms

MTA-STS

53ms

DNSSEC

129ms

SRV

71ms

Total

2515ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 20:26:19	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 shown	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