b2as.dk DNS records

🖥️ Nameservers2 records 56ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	900s	b2as-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::26 52.101.68.5 52.101.73.155 52.101.73.26 52.101.73.4	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.40
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 201ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:mx1.emailsecurity.email -all

✉️ SPF

Policy	Record (b2as.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mx1.emailsecurity.email -all

📨 DMARC

Policy	Record (_dmarc.b2as.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

🔗 TLSA / DANE

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

🔐 DNSSEC73ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

56ms

A

52ms

MX

41ms

AAAA

43ms

TXT

201ms

CAA

31ms

HTTPS

53ms

TLSA

374ms

SOA

0ms

MTA-STS

52ms

DNSSEC

73ms

SRV

69ms

Total

1062ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 10:37:36	1062ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 00:41:43	1064ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 16:01:58	5965ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 06:51:13	5244ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 06:35:23	1424ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 00:52:54	10756ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 12:11:11	2218ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:57:17	1680ms	2 NS 1 A 1 MX	🔒 Secure	View