co2alarm.dk DNS records

🖥️ Nameservers5 records 193ms

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 294ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	3599s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 190ms

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	co2alarm.dk → 46.183.138.100
🔶 Autoconfig	co2alarm.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 237ms

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.co2alarm.dk	co2alarm.dk

🔗 TLSA / DANE

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

🔐 DNSSEC9098ms

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	2026090301
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@co2alarm.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

193ms

A

294ms

MX

190ms

AAAA

60ms

TXT

191ms

CAA

60ms

HTTPS

183ms

TLSA

97ms

SOA

0ms

MTA-STS

83ms

DNSSEC

9098ms

SRV

237ms

Total

9591ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 09:58:57	9591ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 11:41:55	1628ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 02:35:12	9955ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 23:23:39	2089ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-08 15:10:39	1306ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-02 19:02:43	1126ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 06:19:17	1219ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-17 02:05:22	5179ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-10 01:06:43	1410ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 15:43:17	2080ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-25 23:01:51	1068ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-19 04:36:14	861ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 15:50:52	3283ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 00:23:54	65535ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 21:36:28	2421ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 21:30:45	715ms	5 NS 1 A 3 MX	🔓 Insecure	View