b-i-t.dk DNS records

🖥️ Nameservers4 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com —	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns2.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	—	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.243.46.228	3600s	—	AS42525	GlobalConnect A/S	77.243.32.0/20	🇩🇰 Denmark	Nørre Åby

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	bit-dk0k.mail.protection.outlook.com	2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::4 2a01:111:f403:ca09::5 52.101.73.12 52.101.73.22 52.101.73.28 52.101.73.6	mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.8
🔶 Autoconfig	77.243.46.228

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 201ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 222ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.b-i-t.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 Records2 records 44ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🔗 TLSA / DANE

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

🔐 DNSSEC123ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA88ms

Field	Value
Serial	1281015720
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster@dotserv.com
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

45ms

MX

45ms

AAAA

51ms

TXT

222ms

CAA

44ms

HTTPS

103ms

TLSA

134ms

SOA

88ms

MTA-STS

104ms

DNSSEC

123ms

SRV

201ms

Total

1015ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-24 18:25:06	1015ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 09:25:24	923ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 05:12:22	989ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 22:56:31	1238ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 05:34:53	1163ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:57:29	801ms	4 NS 1 A 1 MX	🔓 Insecure	View