ntbf.dk

📜 Historical scan 2026-06-18 04:52:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ntbf.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 22 August 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.116.35.70 is hosted by Hostinger International Limited (AS47583) in France. Mail is handled by ntbf-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.116.35.70	—	—	AS47583	Hostinger International Limited	89.116.32.0/21	🇫🇷 France	Paris

📧 MX Records#

1 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	ntbf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::e 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 52.101.68.16 52.101.73.15 52.101.73.24 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.24
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

1 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:4780:27:1277:0:2dcc:ec5:6	—	—	AS47583	Hostinger International Limited	2a02:4780:20:0:0:0:0:0/43	🇫🇷 France	Paris

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 148ms

TXT Record
MS=ms71088033
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (ntbf.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-08 01:19:22

www	89.116.35.70 2a02:4780:27:1277:0:2dcc:ec5:6 (AS47583) (address records, no CNAME)
www vs bare domain	Same network ntbf.dk: 89.116.35.70 2a02:4780:27:1277:0:2dcc:ec5:6 (AS47583) www.ntbf.dk: 89.116.35.70 2a02:4780:27:1277:0:2dcc:ec5:6 (AS47583)
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

🔎 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#

71ms

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

🏷️ SOA#

93ms

Field	Value
Serial	2024011906
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-12 04:02:52

Field	Value
Registrar	CURANET A/S
Registered	2012-08-22
Expires	2027-08-31 (315d)

🔗 Same registrant#

3 domains

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
hoestgaard-privat.dk	CURANET A/S
nr-tranders-begravelse.dk	CURANET A/S
vejgaardbedemand.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

50ms

44ms

84ms

AAAA

34ms

TXT

148ms

CAA

84ms

HTTPS

59ms

TLSA

359ms

SOA

93ms

MTA-STS

58ms

DNSSEC

71ms

SRV

89ms

Total

1108ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 01:19:22	1022ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 16:26:40	1219ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 04:49:15	2945ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 04:52:06 shown	1108ms	2 NS 1 A 1 MX	🔒 Secure