blacklabel.dk DNS records

🖥️ Nameservers2 records 41ms

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 50ms

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 Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	blacklabel-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::7 2a01:111:f403:ca48::a 52.101.73.123 52.101.73.24 52.101.73.30 52.101.73.6	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 89ms

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

📝 TXT Records2 records 181ms

TXT Record
MS=ms12871054
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC79ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081505
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

41ms

A

50ms

MX

46ms

AAAA

38ms

TXT

181ms

CAA

42ms

HTTPS

35ms

TLSA

179ms

SOA

0ms

MTA-STS

63ms

DNSSEC

79ms

SRV

89ms

Total

750ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:43:36	750ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 01:18:12	1165ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 15:42:08	9241ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 18:06:40	5212ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 20:08:32	3141ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 14:08:06	1282ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 00:31:18	2116ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 00:21:26	792ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 14:45:34	1706ms	2 NS 1 A 1 MX	🔒 Secure	View