slessing-andreasen.dk

Records from scan: 2026-10-09 09:35:41 · 2130ms total · last checked 2026-10-16 22:38 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

slessing-andreasen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 June 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by slessingandreasen-dk02b.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 56ms

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#

🌍

No A records found

📧 MX Records#

1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	slessingandreasen-dk02b.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::9 2a01:111:f403:ca09::24 2a01:111:f403:ca38::8 52.101.103.39 52.101.68.10 52.101.73.120 52.101.73.155	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 96ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 245ms

TXT Record
MS=ms73043344
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (slessing-andreasen.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

🧩 Web & zone#

checked 2026-10-09 09:35:41

www CNAME	varde.itplan.dk (all on itplan.dk) → 77.111.240.167 2a02:2350:5:102:803b:de8c:a066:dbd6 (AS51468)
www vs bare domain	Only www resolves slessing-andreasen.dk: no address www.slessing-andreasen.dk: 77.111.240.167 2a02:2350:5:102:803b:de8c:a066:dbd6 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-slessingandreasen-dk02b._domainkey.slessingandreasen1.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-slessingandreasen-dk02b._domainkey.slessingandreasen1.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

220ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

54ms

Field	Value
Serial	2026092001
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 2026-10-07 22:20:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-06-18
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

56ms

58ms

62ms

AAAA

38ms

TXT

245ms

CAA

61ms

HTTPS

45ms

TLSA

807ms

SOA

54ms

MTA-STS

105ms

DNSSEC

220ms

SRV

96ms

Total

2130ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:35:41 shown	2130ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-22 13:13:00	1322ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 22:10:09	3369ms	2 NS 0 A 1 MX	🔒 Secure