gertc.dk

📜 Historical scan 2026-09-08 04:28:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gertc.dk is a .dk domain served by 3 nameservers (ns1.netsite.dk, ns2.netsite.eu, ns3.netsite.se). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.224.18.18 is hosted by Netsite A/S (AS205206) in Denmark. Mail is handled by mx.netsite.dk. 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#

3 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.netsite.dk	185.224.16.200 2a0c:cc00:0:1648::53	ns1.netsite.dk ns1.netsite.dk	AS205206 Netsite A/S AS205206 Netsite A/S
ns2.netsite.eu	194.58.196.59 2a01:3f1:859::53	ns2.netsite.eu ns2.netsite.eu	AS8674 Netnod AB AS8674 Netnod AB
ns3.netsite.se	185.42.137.115 2a01:3f0:400::59	ns3.netsite.se ns3.netsite.se	AS8674 Netnod AB AS8674 Netnod AB

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.224.18.18	4800s	webproxy.netsite.dk	AS205206	Netsite A/S	185.224.16.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mx.netsite.dk	185.224.16.170	mx.netsite.dk	AS205206 Netsite A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	autoconfig.netsite.dk → 185.224.16.223

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 59ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	autodiscover.netsite.dk

📝 TXT Records#

1 records 83ms

TXT Record
v=spf1 include:spf.netsite.dk ~all

✉️ SPF#

Policy	Record (gertc.dk)
~all (soft fail)	v=spf1 include:spf.netsite.dk ~all

📨 DMARC#

Policy	Record (_dmarc.gertc.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 2026-10-15 08:06:27

www	185.224.18.18 (AS205206) (address records, no CNAME)
www vs bare domain	Same network gertc.dk: 185.224.18.18 (AS205206) www.gertc.dk: 185.224.18.18 (AS205206)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

109ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026090301
Primary NS (MNAME)	ns1.netsite.dk
Responsible (RNAME)	hostmaster@netsite.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

28ms

31ms

28ms

AAAA

30ms

TXT

83ms

CAA

31ms

HTTPS

32ms

TLSA

47ms

SOA

0ms

MTA-STS

39ms

DNSSEC

109ms

SRV

59ms

Total

456ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 08:06:27	581ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-09 12:53:20	473ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-08 17:44:05	1775ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 12:12:51	386ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 11:01:54	568ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-18 15:07:52	538ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-12 15:53:34	590ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-08 04:28:42 shown	456ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:02:50	437ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 21:03:51	436ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-20 20:29:38	2142ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-13 03:31:02	938ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-07 12:52:29	878ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-04 09:47:34	834ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-23 11:11:45	16694ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-16 02:36:50	775ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-09 02:17:00	1899ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-02 02:38:30	958ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-01 22:17:49	1699ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-20 14:23:00	2686ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:29:57	477ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:27:28	645ms	3 NS 1 A 1 MX	🔒 Secure