rootcore.dk DNS records

🖥️ Nameservers5 records 31ms

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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.216	3600s	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 46ms

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	rootcore.dk → 217.116.232.216
🔶 Autoconfig	rootcore.dk → 217.116.232.216

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 325ms

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.rootcore.dk	rootcore.dk

🔗 TLSA / DANE

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

🔐 DNSSEC179ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'rootcore.dk/A/IN': 127.0.0.1#53

🏷️ SOA0ms

Field	Value
Serial	2026072301
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@rootcore.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

31ms

A

54ms

MX

46ms

AAAA

36ms

TXT

384ms

CAA

45ms

HTTPS

242ms

TLSA

62ms

SOA

0ms

MTA-STS

89ms

DNSSEC

179ms

SRV

325ms

Total

1012ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 19:23:41	645ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 10:25:22	1116ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 02:46:33	2998ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-07 05:58:18	1212ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-30 14:12:07	2256ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-24 00:27:33	1012ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-18 15:16:28	1762ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 06:29:21	9109ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-03 13:26:19	6694ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 08:21:35	1077ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-20 12:34:35	731ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 00:28:00	590ms	5 NS 1 A 3 MX	🔓 Insecure	View