dtfb.dk

📜 Historical scan 2026-06-19 18:27:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dtfb.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 6 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.46.69 is hosted by GlobalConnect A/S (AS31027) in Denmark. 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#

2 records 86ms

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 110ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.46.69	3600s	dynacon.int	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136
🔶 Autoconfig	87.116.46.69

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 2459ms

TXT Record
MS=ms44596143
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.dtfb.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-07 19:49:08

www	87.116.46.69 (AS31027) (address records, no CNAME)
www vs bare domain	Same network dtfb.dk: 87.116.46.69 (AS31027) www.dtfb.dk: 87.116.46.69 (AS31027)
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#

177ms

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

🏷️ SOA#

84ms

Field	Value
Serial	2023080701
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 2026-10-08 16:52:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-04-06
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

86ms

110ms

91ms

AAAA

88ms

TXT

2459ms

CAA

84ms

HTTPS

89ms

TLSA

2076ms

SOA

84ms

MTA-STS

46ms

DNSSEC

177ms

SRV

287ms

Total

4697ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-18 03:51:48	441ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-02 11:11:09	2204ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-19 18:27:34 shown	4697ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 04:51:03	552ms	2 NS 1 A 0 MX	🔒 Secure