272bb.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 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.101	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	272bb-dk.mail.protection.outlook.com	2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 2a01:111:f403:ca38::8 52.101.103.140 52.101.73.12 52.101.73.153 52.101.73.19	mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.24
🔶 Autoconfig	46.30.215.101

🔷 AAAA Records (IPv6)1 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:802a:f2c6:6346:662c	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 237ms

TXT Record
MS=ms71965907
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (272bb.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.272bb.dk)
p=none (monitor only)	v=DMARC1; p=none; 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

🔗 TLSA / DANE

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

🔐 DNSSEC111ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081802
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

59ms

MX

48ms

AAAA

35ms

TXT

237ms

CAA

42ms

HTTPS

49ms

TLSA

604ms

SOA

0ms

MTA-STS

76ms

DNSSEC

111ms

SRV

97ms

Total

1642ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:50:01	1642ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 19:03:32	9376ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 22:30:45	1116ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 00:28:36	899ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 08:45:27	1404ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 11:15:19	1170ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 06:37:20	6711ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 08:37:30	916ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:38:47	597ms	2 NS 1 A 1 MX	🔒 Secure	View