3tt.dk

📜 Historical scan 2026-06-16 12:44:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3tt.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 15 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.41 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by 3tt-dk.mail.protection.outlook.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 78ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—

🌍 A Records#

1 records 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.41	—	linux60.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	3tt-dk.mail.protection.outlook.com	52.101.68.5 52.101.73.16 52.101.73.2 52.101.73.30	mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 196ms

TXT Record
MS=ms36343156
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (3tt.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.3tt.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 2026-10-09 21:22:55

www	94.231.103.41 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 3tt.dk: 94.231.103.41 (AS48854) www.3tt.dk: 94.231.103.41 (AS48854)
Wildcard	Yes: any name under the zone resolves
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

254ms

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

🏷️ SOA#

76ms

Field	Value
Serial	2026022005
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 2026-10-03 13:52:30

Field	Value
Registrar	Simply.com A/S
Registered	2026-01-15
Expires	2027-01-14 (89d)

📋 WHOIS#

⏱️ Lookup Timing#

78ms

79ms

AAAA

83ms

TXT

196ms

CAA

74ms

HTTPS

73ms

TLSA

238ms

SOA

76ms

MTA-STS

126ms

DNSSEC

254ms

SRV

0ms

Total

948ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 17:47:57	1164ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 13:14:28	965ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:04:04	1476ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 04:07:53	1075ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-16 12:17:45	1340ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:29:30	907ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:44:41 shown	948ms	3 NS 1 A 1 MX	🔒 Secure