feldts.dk

📜 Historical scan 2026-10-23 17:40:22 · ← 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, 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 80ms

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 95ms

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 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	feldts-dk.mail.protection.outlook.com	2a01:111:f403:ca15::4 2a01:111:f403:ca15::6 2a01:111:f403:ca16::4 2a01:111:f403:ca16::6 52.101.79.112 52.101.79.114 52.101.80.148 52.101.80.150	mail-gvzp280cu01904.inbound.protection.outlook.com mail-gv3p280cu01406.inbound.protection.outlook.com mail-mm0p280cu01104.inbound.protection.outlook.com mail-mm0p280cu01206.inbound.protection.outlook.com mail-mm0p280cu01100.inbound.protection.outlook.com mail-mm0p280cu01202.inbound.protection.outlook.com mail-gvzp280cu01904.inbound.protection.outlook.com mail-gv3p280cu01406.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 → 52.98.154.136
🔶 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 525ms

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#

Policy	Record (_dmarc.feldts.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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#

237ms

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

🏷️ SOA#

75ms

Field	Value
Serial	1792627200
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#

80ms

95ms

73ms

AAAA

83ms

TXT

525ms

CAA

92ms

HTTPS

82ms

TLSA

234ms

SOA

75ms

MTA-STS

185ms

DNSSEC

237ms

SRV

235ms

Total

1567ms

🕐 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 shown	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	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