fourjacks.dk DNS records

🖥️ Nameservers5 records 52ms

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 147ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.216	—	216.giga-ptr.232.116.217.in-addr.arpa web16.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 163ms

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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC102ms

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

🏷️ SOA36ms

Field	Value
Serial	2026061101
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@fourjacks.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

147ms

MX

163ms

AAAA

41ms

TXT

103ms

CAA

38ms

HTTPS

48ms

TLSA

53ms

SOA

36ms

MTA-STS

58ms

DNSSEC

102ms

SRV

0ms

Total

548ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 15:13:12	858ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 13:49:47	7463ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 03:53:40	2016ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-07 02:39:07	1279ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-06 00:13:49	923ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-24 00:58:57	8830ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-17 13:20:23	1435ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 13:41:33	1493ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 13:42:44	2550ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-01 13:25:15	910ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-27 12:29:18	1574ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 07:03:13	1013ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-21 17:50:50	2282ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-21 12:42:19	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:38:08	11364ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 10:23:51	548ms	5 NS 1 A 3 MX	🔓 Insecure	View