ratcool.dk

📜 Historical scan 2026-09-26 13:04:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ratcool.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.66.16.17 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by front-lvs.scannet.dk. The zone is DNSSEC-signed and validates, has no 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#

2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.66.16.17	3600s	—	AS47292	Sentia Denmark A/S	77.66.16.0/20	🇩🇰 Denmark	Karlslunde

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	front-lvs.scannet.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.exchangeserver.dk
🔶 Autoconfig	ratcool.dk → 77.66.16.17

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 22:19:28

www	77.66.16.17 (AS47292) (address records, no CNAME)
www vs bare domain	Same network ratcool.dk: 77.66.16.17 (AS47292) www.ratcool.dk: 77.66.16.17 (AS47292)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.ratcool.dk	ratcool.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

81ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

34ms

42ms

34ms

AAAA

34ms

TXT

127ms

CAA

33ms

HTTPS

51ms

TLSA

127ms

SOA

0ms

MTA-STS

46ms

DNSSEC

81ms

SRV

55ms

Total

704ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 19:43:26	552ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 13:04:14 shown	704ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 06:35:50	599ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 04:03:10	798ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 09:54:55	787ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 01:46:26	3019ms	2 NS 1 A 1 MX	🔒 Secure