gcdev.dk

📜 Historical scan 2026-10-01 12:31:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gcdev.dk is a .dk domain served by 2 nameservers (ns1.loopia.se, ns2.loopia.se). It was registered on 21 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.188.2.53 is hosted by Loopia AB (AS39570) in Sweden. Mail is handled by gcdev-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 64ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.loopia.se	2a02:250:ffff::20 93.188.0.20	ns1.loopia.se ns1.loopia.se	AS39570 Loopia AB AS39570 Loopia AB
ns2.loopia.se	185.71.156.20 2a02:250:fffe::20	ns2.loopia.se ns2.loopia.se	AS215836 Loopia AB AS215836 Loopia AB

🌍 A Records#

1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.188.2.53	3600s	webfront3.webcluster.loopia.se	AS39570	Loopia AB	93.188.0.0/21	🇸🇪 Sweden	—

📧 MX Records#

1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	gcdev-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca09::a 2a01:111:f403:ca3c::a 52.101.103.140 52.101.185.114 52.101.185.21 52.101.73.145	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.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 → 40.104.116.56
🔶 Autoconfig	194.9.94.85

🔷 AAAA Records (IPv6)#

1 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:250:0:8::54	3600s	webfront4.webcluster.loopia.se	AS39570	Loopia AB	2a02:250:0:0:0:0:0:0/47	🇸🇪 Sweden	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 175ms

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

📝 TXT Records#

2 records 337ms

TXT Record
MS=ms19057158
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (gcdev.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.gcdev.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:authfail@gcdev.dk; rua=mailto:aggrep@gcdev.dk

📬 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 2026-10-15 12:42:19

www	93.188.2.53 2a02:250:0:8::54 (AS39570) (address records, no CNAME)
www vs bare domain	Same network gcdev.dk: 93.188.2.53 2a02:250:0:8::54 (AS39570) www.gcdev.dk: 93.188.2.53 2a02:250:0:8::54 (AS39570)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-gcdev-dk._domainkey.joolcapital.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

137ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

47ms

Field	Value
Serial	1790812800
Primary NS (MNAME)	ns1.loopia.se
Responsible (RNAME)	registry@loopia.se
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-08 14:55:25

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	2023-12-21
Expires	2026-12-20 (64d)

📋 WHOIS#

⏱️ Lookup Timing#

64ms

56ms

59ms

AAAA

64ms

TXT

337ms

CAA

66ms

HTTPS

44ms

TLSA

589ms

SOA

47ms

MTA-STS

87ms

DNSSEC

137ms

SRV

175ms

Total

1455ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 12:42:19	1452ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 14:51:36	1023ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-07 14:40:59	1298ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 12:31:45 shown	1455ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 12:04:23	1019ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 09:46:52	2572ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 09:42:59	1574ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-16 08:45:34	1560ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-05 01:22:24	2082ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 02:26:20	9870ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 16:08:08	1038ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 14:46:19	3922ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-13 06:36:50	10928ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-08 10:29:56	10526ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-31 06:54:57	1042ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 04:56:26	9494ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-16 11:49:40	1241ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-12 05:52:14	33286ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 10:42:28	10391ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 08:04:36	1175ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 00:46:15	1288ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 08:04:44	1070ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-19 19:59:10	2116ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 09:24:39	1050ms	2 NS 1 A 1 MX	🔓 Insecure