frederiksen-jepsen.dk

Records from scan: 2026-10-23 13:35:21 · 1624ms total · last checked 2026-10-27 02:41 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frederiksen-jepsen.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 11 June 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.26 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by frederiksenjepsen-dk02i.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 61ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.26	3600s	mail.csnt.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	frederiksenjepsen-dk02i.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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
🔶 Autoconfig	185.21.40.26

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 464ms

TXT Record
MS=ms49982602
v=spf1 ptr ip4:87.51.2.0/26 ip4:185.21.40.26 include:_spf-hosting.eg.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (frederiksen-jepsen.dk)
-all (hard fail)	v=spf1 ptr ip4:87.51.2.0/26 ip4:185.21.40.26 include:_spf-hosting.eg.dk 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 2026-10-23 13:35:22

www	185.21.40.26 (AS48854) (address records, no CNAME)
www vs bare domain	Same network frederiksen-jepsen.dk: 185.21.40.26 (AS48854) www.frederiksen-jepsen.dk: 185.21.40.26 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-frederiksenjepsen-dk02i._domainkey.frederiksenjepsen.k-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-frederiksenjepsen-dk02i._domainkey.frederiksenjepsen.k-v1.dkim.mail.microsoft	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: 3/10 · policy: -all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

347ms

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

🏷️ SOA#

67ms

Field	Value
Serial	2026102304
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-23 14:09:42

Field	Value
Registrar	CURANET A/S
Registered	2018-06-11
Expires	2027-06-30 (245d)

🔗 Same registrant#

5 domains

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
frederiksen-nielsen.dk	Punktum dk A/S (direct)
frederiksenjepsen.dk	CURANET A/S
frederiksenognielsen.dk	Punktum dk A/S (direct)
henry-nielsen.dk	CURANET A/S
vinduesekspert.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

61ms

77ms

70ms

AAAA

94ms

TXT

464ms

CAA

238ms

HTTPS

222ms

TLSA

308ms

SOA

67ms

MTA-STS

342ms

DNSSEC

347ms

SRV

455ms

Total

1624ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 13:35:21 shown	1624ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 00:12:35	529ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 05:09:07	1984ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 04:52:38	529ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 05:38:43	751ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 06:48:21	2524ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 13:30:59	614ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 18:21:13	1446ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 09:21:01	618ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 07:30:32	929ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 20:52:16	534ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:43:17	640ms	2 NS 1 A 1 MX	🔒 Secure