b-it.dk DNS records

🖥️ Nameservers2 records 50ms

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 Records1 records 54ms

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 Records4 records 59ms

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 Records1 records 104ms

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

📝 TXT Records2 records 9015ms

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

✉️ SPF

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

📨 DMARC

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

📬 MTA-STS146ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC129ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081202
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

54ms

MX

59ms

AAAA

51ms

TXT

9015ms

CAA

49ms

HTTPS

52ms

TLSA

1654ms

SOA

0ms

MTA-STS

146ms

DNSSEC

129ms

SRV

104ms

Total

11949ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 07:43:01	11949ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-10 21:11:22	3118ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-13 05:19:50	18587ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 22:08:45	5279ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 13:57:06	2346ms	2 NS 1 A 4 MX	🔒 Secure	View