co2overblik.dk

📜 Historical scan 2026-06-23 02:49:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

co2overblik.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 11 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 80ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	172.217.76.26 172.217.76.27 192.178.223.26 192.178.223.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	yulhrp-in-f26.1e100.net yulhrp-in-f27.1e100.net yulhrs-in-f26.1e100.net yulhrs-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 151ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.co2overblik.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 01:33:47

www	NXDOMAIN
www vs bare domain	Neither resolves co2overblik.dk: no address www.co2overblik.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

58ms

Field	Value
Serial	2026051104
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 07:14:04

Field	Value
Registrar	Simply.com A/S
Registered	2026-05-11
Expires	2027-05-10 (202d)

📋 WHOIS#

⏱️ Lookup Timing#

80ms

122ms

30ms

AAAA

43ms

TXT

243ms

CAA

48ms

HTTPS

45ms

TLSA

47ms

SOA

58ms

MTA-STS

83ms

DNSSEC

102ms

SRV

151ms

Total

799ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 06:55:25	541ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-24 04:53:04	532ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-19 06:14:15	538ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-28 06:48:35	1616ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-24 16:54:28	1011ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-23 02:49:45 shown	799ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-21 09:32:10	949ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 03:39:36	2553ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-17 00:25:39	53130ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-16 21:36:14	534ms	3 NS 0 A 1 MX	🔒 Secure