rsj-elteknik.dk

📜 Historical scan 2026-09-04 05:41:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rsj-elteknik.dk is a .dk domain served by 2 nameservers (ns1.azehosting.net, ns2.azehosting.net). It was registered on 2 April 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.99.93.170 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by rsjelteknik-dk0i.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 113ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.azehosting.net	2a01:4f8:13b:3146::1 94.130.138.185	— ns1.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.azehosting.net	2a01:4f8:c17:5f0a::2 88.99.15.5	ns2.azehosting.net ns2.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
88.99.93.170	14400s	server.ithj.dk	AS24940	Hetzner Online GmbH	88.99.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	rsjelteknik-dk0i.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::9 2a01:111:f403:ca3c::8 2a01:111:f403:ca3c::a 52.101.103.36 52.101.68.0 52.101.68.5 52.101.91.159	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-matpr04cu00207.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

🔷 AAAA Records (IPv6)#

1 records 23ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:10a:1de9::2	14400s	server.ithj.dk	AS24940	Hetzner Online GmbH	2a01:4f8::/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 160ms

TXT Record
MS=ms53624027
v=spf1 ip4:88.99.93.170 include:spf.protection.outlook.com +a +mx include:relay.mailchannels.net -all

✉️ SPF#

Policy	Record (rsj-elteknik.dk)
-all (hard fail)	v=spf1 ip4:88.99.93.170 include:spf.protection.outlook.com +a +mx include:relay.mailchannels.net -all

📨 DMARC#

Policy	Record (_dmarc.rsj-elteknik.dk)
p=quarantine	v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 13:03:17

www CNAME	rsj-elteknik.dk (all on rsj-elteknik.dk) → 88.99.93.170 2a01:4f8:10a:1de9::2 (AS24940)
www vs bare domain	Same network rsj-elteknik.dk: 88.99.93.170 2a01:4f8:10a:1de9::2 (AS24940) www.rsj-elteknik.dk: 88.99.93.170 2a01:4f8:10a:1de9::2 (AS24940)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
selector1	selector1-rsjelteknik-dk0i._domainkey.rsjelteknik.onmicrosoft.com	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: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rsj-elteknik.dk	cvHg5MmsxqFManL0BtJOyo55WmV8HsLqkkR9tTQiqjg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

211ms

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

🏷️ SOA#

5024ms

Field	Value
Serial	2026083101
Primary NS (MNAME)	ns1.azehosting.net
Responsible (RNAME)	jens@jncomputer.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-18 13:27:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-04-02
Expires	2027-04-30 (184d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
rsjelteknik.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

113ms

51ms

46ms

AAAA

23ms

TXT

160ms

CAA

22ms

HTTPS

64ms

TLSA

147ms

SOA

5024ms

MTA-STS

43ms

DNSSEC

211ms

SRV

0ms

Total

6754ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 07:20:55	1491ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-04 05:41:24 shown	6754ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 16:16:21	2906ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 22:15:55	914ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 20:00:56	1109ms	3 NS 1 A 1 MX	🔓 Insecure