3tx.dk DNS records

🖥️ Nameservers5 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	—	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	3600s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	3tx.dk → 46.183.138.100
🔶 Autoconfig	3tx.dk → 46.183.138.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 450ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records2 records 199ms

TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF

Policy	Record (3tx.dk)
-all (hard fail)	v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC

Policy	Record (_dmarc.3tx.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.3tx.dk	3tx.dk

🔗 TLSA / DANE

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

🔐 DNSSEC9064ms

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

🏷️ SOA33ms

Field	Value
Serial	2026070201
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@3tx.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-07-02 19:27:16

Field	Value
Registrar	GIGAHOST ApS
Registered	2005-03-01
Expires	2027-03-31 (208d)

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

51ms

MX

32ms

AAAA

32ms

TXT

199ms

CAA

55ms

HTTPS

38ms

TLSA

73ms

SOA

33ms

MTA-STS

190ms

DNSSEC

9064ms

SRV

450ms

Total

9754ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 15:34:10	873ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 03:13:27	6652ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-16 13:43:58	1284ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-09 07:49:53	2128ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-30 11:31:04	1683ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 16:22:28	1238ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 17:45:08	1287ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-11 23:30:44	9826ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-02 20:07:27	1131ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-02 19:19:19	9754ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-27 17:28:32	962ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-27 02:56:45	971ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 22:15:13	922ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 07:02:34	1118ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-23 03:42:43	1378ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-22 07:41:28	1177ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 09:30:59	1004ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 13:14:19	836ms	5 NS 1 A 3 MX	🔓 Insecure	View