skalsjacobsen.dk

📜 Historical scan 2026-09-29 21:08:55 · ← Latest scan

skalsjacobsen.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 30 May 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by skalsjacobsen-dk.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers

3 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records

🌍

No A records found

📧 MX Records

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	skalsjacobsen-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca09::28 2a01:111:f403:ca21::10 2a01:111:f403:ca48::8 52.101.68.25 52.101.68.39 52.101.91.156 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-maspr04cu00104.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

2 records 140ms

TXT Record
MS=ms91013919
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF

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

latest probe, not this scan · checked 2026-10-02 21:18:25

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE

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

🔐 DNSSEC

69ms

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

🏷️ SOA

0ms

Field	Value
Serial	2025102401
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

WHOIS fetched 2026-10-02 21:45:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-05-30
Expires	2027-05-31 (240d)

📋 WHOIS

⏱️ Lookup Timing

50ms

27ms

58ms

AAAA

28ms

TXT

140ms

CAA

38ms

HTTPS

28ms

TLSA

157ms

SOA

0ms

MTA-STS

34ms

DNSSEC

69ms

SRV

57ms

Total

586ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-10-02 21:18:25	1123ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-29 21:08:55 shown	586ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-23 17:48:34	1082ms	3 NS 0 A 1 MX	🔒 Secure
2026-08-26 10:35:18	1339ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-25 06:13:11	6259ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-23 00:18:25	1184ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 15:56:48	1044ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-17 12:13:50	2317ms	3 NS 0 A 1 MX	🔒 Secure