alff.dk DNS records

🖥️ Nameservers2 records 39ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.148	3600s	webcluster1.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	alff-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca09:: 2a01:111:f403:ca09::c 52.101.68.15 52.101.68.21 52.101.73.4 52.101.73.8	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔷 AAAA Records (IPv6)1 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:a4:7adc:d5d3:8bca	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

🔌 SRV Records1 records 94ms

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

📝 TXT Records3 records 188ms

TXT Record
google-site-verification=zLyuc92r4xqieRTjaqT260juq73Kqm9bHLjUYr0ZcIE
MS=ms43768617
v=spf1 include:spf.protection.outlook.com include:spfinclude.sikkermail.dk -all

✉️ SPF

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

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081805
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

39ms

A

51ms

MX

59ms

AAAA

44ms

TXT

188ms

CAA

43ms

HTTPS

57ms

TLSA

378ms

SOA

0ms

MTA-STS

56ms

DNSSEC

86ms

SRV

94ms

Total

1503ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 11:32:57	1503ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 13:31:46	5882ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-04 14:18:16	5403ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 01:07:12	2062ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 17:21:02	2732ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 07:13:17	2599ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 05:30:16	1428ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:39:26	727ms	2 NS 1 A 1 MX	🔒 Secure	View