systemren.dk

📜 Historical scan 2026-07-18 21:39:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

systemren.dk is a .dk domain served by 2 nameservers (ns1.dnshotel.dk, ns2.dnshotel.dk). It was registered on 10 December 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.83.125 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by SMTP.GOOGLE.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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnshotel.dk	2a01:4f8:1c17:4999::2 88.99.120.238	ns1.dnshotel.dk ns1.dnshotel.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.dnshotel.dk	2a01:4f8:c0c:4051::2 94.130.170.39	ns2.dnshotel.dk ns2.dnshotel.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.83.125	360s	re03.azehosting.net	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	360s	SMTP.GOOGLE.COM	172.253.130.27 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 2a00:1450:4010:c20::1b 64.233.162.26 64.233.162.27 74.125.205.26 74.125.205.27	yulppbn-in-f27.1e100.net le-in-f26.1e100.net le-in-x1a.1e100.net li-in-x1a.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net li-in-x1b.1e100.net yulppbn-in-f27.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net le-in-f26.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2200:4382::2	3600s	re03.azehosting.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 310ms

TXT Record
google-site-verification=rNCcBYUK7pioHdi0rk4-GVOEXHajvYSRQ9msTD21N1A
v=spf1 a mx +ip4:195.201.243.87 include:relay.mailchannels.net include:_spf.google.com include:secure.skvizbiz.dk ~all

✉️ SPF#

Policy	Record (systemren.dk)
~all (soft fail)	v=spf1 a mx +ip4:195.201.243.87 include:relay.mailchannels.net include:_spf.google.com include:secure.skvizbiz.dk ~all

📨 DMARC#

Policy	Record (_dmarc.systemren.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=50; rua=mailto:rua@junkerconsult.dk;

📬 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 2026-10-14 12:54:34

www CNAME	systemren.dk (all on systemren.dk) → 49.12.83.125 2a01:4f8:2200:4382::2 (AS24940)
www vs bare domain	Same network systemren.dk: 49.12.83.125 2a01:4f8:2200:4382::2 (AS24940) www.systemren.dk: 49.12.83.125 2a01:4f8:2200:4382::2 (AS24940)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
google	—	RSA · ~1024 bit below 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: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.systemren.dk	hMtlhucmiAwI2yIcunPRdq9NScYIsEkhxvrj2bOfuEM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9061ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2026071001
Primary NS (MNAME)	ns1.dnshotel.dk
Responsible (RNAME)	lars@alphasite.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-16 10:43:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-12-10
Expires	2026-12-31 (73d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

48ms

46ms

AAAA

46ms

TXT

310ms

CAA

46ms

HTTPS

46ms

TLSA

89ms

SOA

24ms

MTA-STS

75ms

DNSSEC

9061ms

SRV

72ms

Total

14126ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-09 10:10:27	865ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-31 21:57:35	9614ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-25 17:57:13	5233ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-18 21:39:29 shown	14126ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-10 18:52:53	6372ms	2 NS 1 A 1 MX	❓ Unknown
2026-06-24 21:33:06	766ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 01:14:08	2732ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 19:10:28	1574ms	2 NS 1 A 1 MX	🔓 Insecure