3last.dk DNS records

🖥️ Nameservers2 records 74ms

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 124ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.188.79.191	600s	cp19.computopic.dk	AS48854	team.blue Denmark A/S	89.188.72.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3last-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::b 2a01:111:f403:ca09::b 2a01:111:f403:ca09::f 52.101.181.153 52.101.68.8 52.101.73.24 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 536ms

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

📝 TXT Records1 records 727ms

TXT Record
v=spf1 ip4:94.231.97.84 include:spf.protection.outlook.com include:spf.idsolutions.dk include:spf.truelink.dk include:_spf-hosting.eg.dk include:spf-dxc.xl-byg.dk include:computopic.dk -all

✉️ SPF

Policy	Record (3last.dk)
-all (hard fail)	v=spf1 ip4:94.231.97.84 include:spf.protection.outlook.com include:spf.idsolutions.dk include:spf.truelink.dk include:_spf-hosting.eg.dk include:spf-dxc.xl-byg.dk include:computopic.dk -all

📨 DMARC

Policy	Record (_dmarc.3last.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:68af1b2d453a5@ag.eu.dmarcly.com; ruf=mailto:68af1b2d453a5@fo.eu.dmarcly.com; sp=none; fo=0;

📬 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)

🔐 DNSSEC643ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

74ms

A

124ms

MX

99ms

AAAA

536ms

TXT

727ms

CAA

123ms

HTTPS

191ms

TLSA

770ms

SOA

0ms

MTA-STS

544ms

DNSSEC

643ms

SRV

536ms

Total

2263ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 07:30:16	2263ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 17:49:06	997ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 22:57:24	5627ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 03:09:23	1026ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 09:28:39	8907ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 08:41:15	1123ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 12:16:10	2738ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 23:14:57	3729ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 17:09:18	619ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 10:11:37	964ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:51:59	3707ms	2 NS 1 A 1 MX	🔒 Secure	View