systems-engineering.dk

📜 Historical scan 2026-08-08 16:59:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

systems-engineering.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 September 2013 (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, 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 37ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.66.117.36	600s	—	—	—	—	🇩🇰 Denmark	—

📧 MX Records#

1 records 39ms

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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-12 18:47:10

www	77.66.117.36 (address records, no CNAME)
www vs bare domain	Same network systems-engineering.dk: 77.66.117.36 www.systems-engineering.dk: 77.66.117.36
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2061ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2026071801
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 2026-10-07 03:39:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-09-28
Expires	2027-09-30 (340d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

52ms

39ms

AAAA

42ms

TXT

152ms

CAA

62ms

HTTPS

34ms

TLSA

51ms

SOA

32ms

MTA-STS

75ms

DNSSEC

2061ms

SRV

62ms

Total

6492ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:47:10	510ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 15:25:58	312ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 23:47:56	411ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 07:23:44	695ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 03:26:31	613ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 14:20:15	4694ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 13:08:57	2054ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 16:59:28 shown	6492ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 20:23:06	16492ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 19:45:01	4574ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 21:33:35	1093ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 18:51:38	530ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 20:12:03	1174ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 19:42:33	491ms	2 NS 1 A 0 MX	🔒 Secure