jacobs-elteknik.dk

📜 Historical scan 2026-06-17 22:14:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobs-elteknik.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 1 July 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.8.38.8 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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#

4 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.38.8	—	—	AS48854	team.blue Denmark A/S	193.8.38.0/24	🇩🇰 Denmark	—

📧 MX Records#

5 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c03::1b	rd-in-f27.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4013:813::1b	so-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	193.8.38.8
🔶 Autoconfig	193.8.38.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 220ms

TXT Record
v=spf1 include:spf.curanet.dk include:_spf.google.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (jacobs-elteknik.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk include:_spf.google.com include:spf.simply.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 2026-10-10 18:10:34

www	104.21.95.173 172.67.146.181 2606:4700:3031::ac43:92b5 2606:4700:3032::6815:5fad (AS13335) (address records, no CNAME)
www vs bare domain	Same network jacobs-elteknik.dk: 104.21.95.173 172.67.146.181 2606:4700:3031::ac43:92b5 2606:4700:3032::6815:5fad (AS13335) www.jacobs-elteknik.dk: 104.21.95.173 172.67.146.181 2606:4700:3031::ac43:92b5 2606:4700:3032::6815:5fad (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2024041500
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-10 18:47:34

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-07-01
Expires	2027-07-31 (280d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

32ms

48ms

AAAA

46ms

TXT

220ms

CAA

83ms

HTTPS

37ms

TLSA

1484ms

SOA

44ms

MTA-STS

37ms

DNSSEC

67ms

SRV

130ms

Total

2330ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 18:10:34	733ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 07:06:10	744ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 12:53:00	9600ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-11 15:42:42	1488ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-25 14:29:27	3191ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-20 00:16:01	1050ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-17 22:14:15 shown	2330ms	4 NS 1 A 5 MX	🔒 Secure