b-it.dk

📜 Historical scan 2026-06-25 22:08:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b-it.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.14.57 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by b-it-dk.p10.spamhero.com, b-it-dk.p20.spamhero.net and 2 more. 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 2202ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 645ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.14.57	3600s	5.186.14.57.cdn.fibianet.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Aarhus

📧 MX Records#

4 records 2162ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	b-it-dk.p10.spamhero.com	108.166.161.242 108.166.161.242 209.41.68.188	242.224-27.161.166.108.in-addr.arpa bolt100a.mxthunder.net bolt100b.mxthunder.net	AS13354 zColo AS13354 zColo AS13767 DataBank Holdings, Ltd.
20	3600s	b-it-dk.p20.spamhero.net	108.166.161.242 108.166.161.242	242.224-27.161.166.108.in-addr.arpa bolt100a.mxthunder.net	AS13354 zColo AS13354 zColo
30	3600s	b-it-dk.p30.spamhero.net	209.41.68.188	bolt100b.mxthunder.net	AS13767 DataBank Holdings, Ltd.
40	3600s	b-it-dk.p40.spamhero.net	108.166.161.242 108.166.161.242 209.41.68.188	242.224-27.161.166.108.in-addr.arpa bolt100a.mxthunder.net bolt100b.mxthunder.net	AS13354 zColo AS13354 zColo AS13767 DataBank Holdings, Ltd.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.b-it.dk → 5.186.14.57
🔶 Autoconfig	mail.b-it.dk → 5.186.14.57

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 2170ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	1	443	mail.b-it.dk

📝 TXT Records#

2 records 959ms

TXT Record
google-site-verification=dYcdKbVnFwuzr4illEk_5PUCQrEkQyiLHpsDYLcr9z4
v=spf1 include:b-it.dk include:campingogkro.dk ip4:5.186.14.57 -all

✉️ SPF#

Policy	Record (b-it.dk)
-all (hard fail)	v=spf1 include:b-it.dk include:campingogkro.dk ip4:5.186.14.57 -all

📨 DMARC#

Policy	Record (_dmarc.b-it.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 MTA-STS#

2229ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	173878447089Z
Policy MX	—

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:postmaster@b-it.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 15:04:11

www	5.186.14.57 (AS44869) (address records, no CNAME)
www vs bare domain	Same network b-it.dk: 5.186.14.57 (AS44869) www.b-it.dk: 5.186.14.57 (AS44869)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY
BIMI	v=BIMI1;l=;a=b-it.dk

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2203ms

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

🏷️ SOA#

2193ms

Field	Value
Serial	2026061001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-11 15:36:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-01-25
Expires	2029-03-31 (895d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

2202ms

645ms

2162ms

AAAA

203ms

TXT

959ms

CAA

2190ms

HTTPS

2240ms

TLSA

1139ms

SOA

2193ms

MTA-STS

2229ms

DNSSEC

2203ms

SRV

2170ms

Total

5279ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 15:04:11	3335ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-25 22:11:40	1940ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-22 23:57:52	3079ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-13 17:24:49	4651ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-13 07:43:01	11949ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-10 21:11:22	3118ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-13 05:19:50	18587ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-25 22:08:45 shown	5279ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-16 13:57:06	2346ms	2 NS 1 A 4 MX	🔒 Secure