arstec.dk

📜 Historical scan 2026-09-30 19:05:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arstec.dk is a .dk domain served by 2 nameservers (ns01.no.brand.one.com, ns02.no.brand.one.com). It was registered on 11 October 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.19 is hosted by One.com A/S (AS51468). 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.no.brand.one.com	195.206.121.12 2001:67c:28cc::12	ns01.no.brand.one.com ns01.no.brand.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.no.brand.one.com	185.10.11.12 2001:67c:3c0::12	ns02.no.brand.one.com ns02.no.brand.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.19	10800s	no.brand.one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	mailconfig.mailadmin.no

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 100ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	0	443	autodiscover.mailadmin.no

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-08 21:33:35

www	195.47.247.19 (AS51468) (address records, no CNAME)
www vs bare domain	Same network arstec.dk: 195.47.247.19 (AS51468) www.arstec.dk: 195.47.247.19 (AS51468)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2026082601
Primary NS (MNAME)	ns01.no.brand.one.com
Responsible (RNAME)	hostmaster@no.brand.one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 21:37:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-10-11
Expires	2026-10-31 (14d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

44ms

37ms

AAAA

58ms

TXT

211ms

CAA

35ms

HTTPS

34ms

TLSA

35ms

SOA

47ms

MTA-STS

109ms

DNSSEC

120ms

SRV

100ms

Total

576ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 21:33:34	1969ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-30 19:05:31 shown	576ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-29 18:21:38	449ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-26 21:17:54	499ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-28 19:19:02	1158ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-27 01:34:26	790ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-25 15:52:14	541ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-16 12:59:55	766ms	2 NS 1 A 0 MX	🔓 Insecure