geogebraopgaver.dk DNS records

🖥️ Nameservers5 records 175ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.212	3600s	212.giga-ptr.232.116.217.in-addr.arpa web12.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 175ms

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	geogebraopgaver.dk → 217.116.232.212
🔶 Autoconfig	geogebraopgaver.dk → 217.116.232.212

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 230ms

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.geogebraopgaver.dk	geogebraopgaver.dk

🔗 TLSA / DANE

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

🔐 DNSSEC101ms

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@geogebraopgaver.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

175ms

A

32ms

MX

175ms

AAAA

186ms

TXT

406ms

CAA

26ms

HTTPS

26ms

TLSA

50ms

SOA

0ms

MTA-STS

44ms

DNSSEC

101ms

SRV

230ms

Total

799ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:36:05	799ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-21 01:14:42	6317ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 03:27:10	1282ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-09 18:35:03	2189ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-31 23:00:13	1528ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-24 09:10:26	974ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-17 11:44:34	9717ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 02:01:35	2051ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 11:20:54	10276ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-25 22:14:57	691ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 12:17:29	2844ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 09:59:41	1089ms	5 NS 1 A 3 MX	🔓 Insecure	View