blockc.dk DNS records

🖥️ Nameservers5 records 53ms

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 74ms

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 Records2 records 60ms

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	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	blockc.dk → 46.183.138.100
🔶 Autoconfig	blockc.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 328ms

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.blockc.dk	blockc.dk

🔗 TLSA / DANE

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

🔐 DNSSEC2088ms

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@blockc.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

53ms

A

74ms

MX

60ms

AAAA

51ms

TXT

189ms

CAA

70ms

HTTPS

65ms

TLSA

88ms

SOA

0ms

MTA-STS

81ms

DNSSEC

2088ms

SRV

328ms

Total

2804ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 00:02:36	2804ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-28 03:56:39	1119ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-27 17:22:26	933ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-26 16:34:27	937ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-26 03:31:45	9485ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-20 23:20:50	1159ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-13 14:46:17	1029ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-08 16:37:11	1138ms	5 NS 1 A 2 MX	❓ Unknown	View
2026-07-31 03:29:16	9134ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-07-23 12:42:27	1185ms	5 NS 1 A 2 MX	❓ Unknown	View
2026-07-17 15:52:00	1157ms	5 NS 1 A 2 MX	❓ Unknown	View
2026-07-09 15:12:19	1068ms	5 NS 1 A 2 MX	❓ Unknown	View
2026-07-03 19:46:15	2857ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-25 09:49:38	775ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 03:57:38	1024ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 14:50:27	775ms	5 NS 1 A 2 MX	🔓 Insecure	View