ntts.dk

📜 Historical scan 2026-10-02 22:57:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ntts.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 17 July 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.137 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ntts-dk.mail.protection.outlook.com. 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#

4 records 225ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.137	600s	linux254.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 220ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ntts-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca21::e 2a01:111:f403:ca48::a 2a01:111:f403:ca48::c 52.101.209.153 52.101.68.25 52.101.68.27 52.101.91.156	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 401ms

TXT Record
MS=ms78431719
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.minuba.dk -all

✉️ SPF#

Policy	Record (ntts.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.minuba.dk -all

📨 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 2026-10-12 15:47:26

www	93.191.156.137 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ntts.dk: 93.191.156.137 (AS48854) www.ntts.dk: 93.191.156.137 (AS48854)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ntts.dk	427ZDUxn-cpip86Vuxnc4tT-pFfxU95HIBQigqnLaWA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

346ms

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

🏷️ SOA#

110ms

Field	Value
Serial	2026100200
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 2026-10-12 16:01:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-07-17
Expires	2027-07-31 (286d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
ntudlejning.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

225ms

67ms

220ms

AAAA

108ms

TXT

401ms

CAA

101ms

HTTPS

182ms

TLSA

864ms

SOA

110ms

MTA-STS

140ms

DNSSEC

346ms

SRV

319ms

Total

2465ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 15:47:25	1798ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 22:57:07 shown	2465ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-28 22:15:30	829ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-15 15:31:07	1574ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-01 11:35:20	720ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 02:46:39	2114ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 04:36:49	1436ms	4 NS 1 A 1 MX	🔒 Secure