agtc.dk

📜 Historical scan 2026-07-16 14:49:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

agtc.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 5 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.185.219 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by agtc-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#

3 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.hostonline.dk	217.195.185.243 2a02:188:6004:14::10	ns4.hostonline.dk ns4.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns5.hostonline.dk	217.195.185.244 2a02:188:6004:14::11	ns5.hostonline.dk ns5.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns6.hostonline.dk	85.191.126.85	ns6.hostonline.dk	AS204274 AURA Fiber A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.219	300s	webhotel11.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	agtc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::d 2a01:111:f403:ca09::3 2a01:111:f403:ca09::f 52.101.68.25 52.101.73.11 52.101.73.15 52.101.73.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

1 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:188:6004:10::27	300s	webhotel11.hostonline.dk	AS31027	GlobalConnect A/S	2a02:188:0:0:0:0:0:0/30	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 199ms

TXT Record
MS=ms50663009
v=spf1 mx a include:_spf.hostonline.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (agtc.dk)
-all (hard fail)	v=spf1 mx a include:_spf.hostonline.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.agtc.dk)
p=reject	v=DMARC1;p=reject;

📬 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 2026-10-14 18:50:44

www CNAME	agtc.dk (all on agtc.dk) → 217.195.185.219 2a02:188:6004:10::27 (AS31027)
www vs bare domain	Same network agtc.dk: 217.195.185.219 2a02:188:6004:10::27 (AS31027) www.agtc.dk: 217.195.185.219 2a02:188:6004:10::27 (AS31027)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-agtc-dk._domainkey.springcenter.w-v1.dkim.mail.microsoft	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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9060ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071602
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	43200s
Retry	43200s
Expire	604800s
Minimum (neg-cache TTL)	43200s

📋 Registration#

WHOIS fetched 2026-10-14 19:12:27

Field	Value
Registrar	TS COMPUTER ApS
Registered	2002-02-05
Expires	2027-03-31 (165d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
springhallen.dk	TS COMPUTER ApS

📋 WHOIS#

⏱️ Lookup Timing#

51ms

34ms

AAAA

34ms

TXT

199ms

CAA

32ms

HTTPS

50ms

TLSA

879ms

SOA

0ms

MTA-STS

66ms

DNSSEC

9060ms

SRV

70ms

Total

10767ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 18:50:44	1187ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-09 10:43:15	2186ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-04 06:47:08	1992ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 06:18:01	1608ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 04:24:35	2069ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-19 14:56:20	2268ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-16 04:58:18	10462ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-15 01:03:31	2617ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-08 00:08:47	1345ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-31 02:18:19	3498ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-25 09:51:43	2533ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-21 02:56:34	7150ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-16 12:23:29	4285ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-10 15:10:04	1688ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-07 17:58:01	1610ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-02 11:35:23	1708ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-26 23:43:25	1299ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-21 13:22:21	11178ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-16 14:49:28 shown	10767ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-12 12:27:08	2584ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-07 03:53:52	3581ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-01 07:31:23	1393ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 08:03:19	991ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 14:36:14	1078ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:46:22	856ms	3 NS 1 A 1 MX	🔓 Insecure