sdkdev.dk

Records from scan: 2026-10-06 15:16:07 · 343ms total · last checked 2026-10-17 07:35 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sdkdev.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 September 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. The zone is DNSSEC-signed and validates, publishes a 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 33ms

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#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
127.0.0.1	600s	localhost	—	—	—	—	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	127.0.0.1
🔶 Autoconfig	127.0.0.1

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 161ms

TXT Record
_punz5k9l0t9ve779skynm4qlkicy00g
7v7d2m9zyfq8nhgvq27blnrn7qgj85f6
98279e511bf347969f8e485ec80090be
fm626wy4x3nt5vjvjx9b49tw725lmqqm
v=spf1 ip4:77.221.226.24 -all

✉️ SPF#

Policy	Record (sdkdev.dk)
-all (hard fail)	v=spf1 ip4:77.221.226.24 -all

📨 DMARC#

Policy	Record (_dmarc.sdkdev.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:eteuzqir@ag.eu.dmarcian.com;

📬 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 2026-10-17 07:35:05

www	127.0.0.1 (address records, no CNAME)
www vs bare domain	Same network sdkdev.dk: 127.0.0.1 www.sdkdev.dk: 127.0.0.1
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sdkdev.dk	p8tWBuNbWp1R7QGVFjgutqv5Z2-7AzqLE1QPWyM6dq8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2026100601
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 2026-10-06 15:22:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-09-21
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

41ms

31ms

AAAA

30ms

TXT

161ms

CAA

40ms

HTTPS

37ms

TLSA

39ms

SOA

46ms

MTA-STS

43ms

DNSSEC

54ms

SRV

59ms

Total

343ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 15:16:07 shown	343ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 14:56:45	567ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 14:55:01	1461ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 14:43:28	2061ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-03 13:19:32	742ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-27 18:56:03	1074ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-19 04:52:34	3365ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-08 23:53:52	1017ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-03 14:45:15	4986ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-22 17:18:35	831ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-20 20:50:41	1177ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-18 02:03:28	988ms	2 NS 1 A 4 MX	🔒 Secure