rdco.dk DNS records

🖥️ Nameservers5 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.218	3600s	218.giga-ptr.232.116.217.in-addr.arpa web18.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 40ms

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	rdco.dk → 217.116.232.218
🔶 Autoconfig	rdco.dk → 217.116.232.218

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 219ms

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

📝 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.rdco.dk	rdco.dk

🔗 TLSA / DANE

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

🔐 DNSSEC211ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@rdco.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

29ms

A

43ms

MX

40ms

AAAA

178ms

TXT

452ms

CAA

48ms

HTTPS

27ms

TLSA

58ms

SOA

0ms

MTA-STS

199ms

DNSSEC

211ms

SRV

219ms

Total

1034ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:00:22	1034ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 13:33:38	2421ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 13:10:31	1760ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-06 19:32:54	9599ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-24 02:44:27	8915ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 07:45:05	944ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-11 09:47:04	1710ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 20:25:03	3137ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 01:10:40	759ms	5 NS 0 A 3 MX	🔓 Insecure	View
2026-06-25 18:20:07	1173ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-21 13:15:34	3306ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 23:41:28	1387ms	5 NS 1 A 3 MX	🔓 Insecure	View