3last.dk

📜 Historical scan 2026-09-25 12:34:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3last.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 November 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.188.79.191 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by 3last-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 33ms

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 Records#

1 records 30ms

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 Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3last-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::a 2a01:111:f403:ca21::a 2a01:111:f403:ca21::e 52.101.103.162 52.101.181.156 52.101.68.15 52.101.91.21	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-matpr05cu00105.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 Records#

1 records 56ms

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

📝 TXT Records#

1 records 176ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 02:34:54

www	89.188.79.191 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 3last.dk: 89.188.79.191 (AS48854) www.3last.dk: 89.188.79.191 (AS48854)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-3last-dk._domainkey.3lastdk.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-3last-dk._domainkey.3lastdk.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: -all

error include:spf-dxc.xl-byg.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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

🏷️ SOA#

0ms

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#

WHOIS fetched 2026-10-16 03:08:50

Field	Value
Registrar	Eurodns S.A
Registered	2002-11-29
Expires	2026-12-31 (74d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
roedovre-trae.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

30ms

37ms

AAAA

32ms

TXT

176ms

CAA

42ms

HTTPS

35ms

TLSA

591ms

SOA

0ms

MTA-STS

47ms

DNSSEC

72ms

SRV

56ms

Total

1112ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 02:34:54	1343ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-09 04:15:39	1075ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 22:01:15	1086ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:40:22	1926ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 12:34:10 shown	1112ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 07:30:16	2263ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 17:49:06	997ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 22:57:24	5627ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 03:09:23	1026ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 09:28:39	8907ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 08:41:15	1123ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 12:16:10	2738ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:14:57	3729ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 17:09:18	619ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 10:11:37	964ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:51:59	3707ms	2 NS 1 A 1 MX	🔒 Secure