b3i1.dk

📜 Historical scan 2026-10-09 05:03:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b3i1.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 August 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by b3i1-dk.mail.protection.outlook.com. 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 98ms

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 127ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	b3i1-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::22 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::a 52.101.68.15 52.101.68.27 52.101.68.8 52.101.73.155	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 52.98.178.216

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 285ms

TXT Record
MS=ms68152934
MS=ms78901556
protonmail-verification=4bdb5bea3798d07c7c680536cf8d1b6cf18eeb9c
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (b3i1.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.b3i1.dk)
p=reject	v=DMARC1; p=reject; pct=100

📬 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 2026-10-14 15:22:08

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network b3i1.dk: 195.47.247.18 (AS51468) www.b3i1.dk: 195.47.247.18 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-b3i1-dk._domainkey.bydelsprojekt3i1.onmicrosoft.com	RSA · ~1024 bit below 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

180ms

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

🏷️ SOA#

89ms

Field	Value
Serial	2026100807
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 2026-10-09 05:27:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-08-23
Expires	2027-08-31 (313d)

📋 WHOIS#

⏱️ Lookup Timing#

98ms

127ms

99ms

AAAA

119ms

TXT

285ms

CAA

134ms

HTTPS

132ms

TLSA

202ms

SOA

89ms

MTA-STS

101ms

DNSSEC

180ms

SRV

1223ms

Total

2228ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 15:22:08	1152ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 05:03:29 shown	2228ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 01:10:01	1266ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 14:31:50	1638ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:57:13	828ms	2 NS 1 A 1 MX	🔒 Secure