feldts.dk

📜 Historical scan 2026-09-23 05:25:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

feldts.dk is a .dk domain served by 2 nameservers (ns1.loopia.se, ns2.loopia.se). It was registered on 10 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 31.15.10.30 is hosted by ACTIVE 24, s.r.o. (AS25234) in Czechia. Mail is handled by feldts-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

2 records 113ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.loopia.se	2a02:250:ffff::20 93.188.0.20	ns1.loopia.se ns1.loopia.se	AS39570 Loopia AB AS39570 Loopia AB
ns2.loopia.se	185.71.156.20 2a02:250:fffe::20	ns2.loopia.se ns2.loopia.se	AS215836 Loopia AB AS215836 Loopia AB

🌍 A Records#

1 records 323ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
31.15.10.30	3600s	yono1.active24.cz	AS25234	ACTIVE 24, s.r.o.	31.15.8.0/21	🇨🇿 Czechia	—

📧 MX Records#

1 records 151ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	feldts-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca3c::a 52.101.103.140 52.101.103.162 52.101.68.39 52.101.73.153	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.24
🔶 Autoconfig	194.9.94.86

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 750ms

TXT Record
MS=ms89067584
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (feldts.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#

latest probe, not this scan · checked 2026-10-25 10:45:47

www	31.15.10.30 (AS25234) (address records, no CNAME)
www vs bare domain	Same network feldts.dk: 31.15.10.30 (AS25234) www.feldts.dk: 31.15.10.30 (AS25234)
Wildcard	Yes: any name under the zone resolves
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-feldts-dk._domainkey.feldts.d-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-feldts-dk._domainkey.feldts.d-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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

403ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1789603200
Primary NS (MNAME)	ns1.loopia.se
Responsible (RNAME)	registry@loopia.se
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-12 18:12:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-06-10
Expires	2027-06-30 (247d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

113ms

323ms

151ms

AAAA

323ms

TXT

750ms

CAA

311ms

HTTPS

311ms

TLSA

207ms

SOA

0ms

MTA-STS

151ms

DNSSEC

403ms

SRV

603ms

Total

1714ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 10:45:47	967ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-23 17:40:22	1567ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-15 02:18:54	1515ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-09 16:41:30	1410ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 13:06:22	1120ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 08:16:12	1362ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 06:12:00	1570ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 05:25:33 shown	1714ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-11 01:56:43	1244ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-08 13:07:30	1266ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-04 11:29:48	1024ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-27 21:26:45	1454ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-20 12:03:52	9003ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-13 08:25:28	4333ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-07 03:50:48	2599ms	2 NS 3 A 1 MX	🔓 Insecure
2026-07-31 22:16:49	1287ms	2 NS 3 A 1 MX	🔓 Insecure
2026-07-24 00:54:08	1697ms	2 NS 3 A 1 MX	🔓 Insecure
2026-07-17 04:22:54	1245ms	2 NS 3 A 1 MX	🔓 Insecure
2026-07-10 22:42:01	1339ms	2 NS 3 A 1 MX	🔓 Insecure
2026-07-03 14:10:18	2521ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-25 14:24:56	1207ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-20 12:20:23	1466ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-17 10:07:04	1095ms	2 NS 3 A 1 MX	🔓 Insecure