rensfyn.dk

📜 Historical scan 2026-10-08 03:43:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rensfyn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.0 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com and 2 more. 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 38ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.0	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

4 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod14-cph3.one.com	185.10.9.212	mx1.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod14-cph3.one.com	185.10.9.213	mx2.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod14-cph3.one.com	185.10.9.214	mx3.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod14-cph3.one.com	185.10.9.215	mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	46.30.213.0
🔶 Autoconfig	46.30.213.0

🔷 AAAA Records (IPv6)#

1 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:5:bb5e:fe2a:3492	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 167ms

TXT Record
google-site-verification=KZOT76rv_1oSTXYU0oOD7ts7gSD6K0r5RJwI9J2c0FQ
v=DMARC1; p=none; fo=1; rua=mailto:info@rensfyn.dk
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

Policy	Record (rensfyn.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC#

Policy	Record (_dmarc.rensfyn.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-24 05:41:16

www	46.30.213.0 2a02:2350:5:10a:5:bb5e:fe2a:3492 (AS51468) (address records, no CNAME)
www vs bare domain	Same network rensfyn.dk: 46.30.213.0 2a02:2350:5:10a:5:bb5e:fe2a:3492 (AS51468) www.rensfyn.dk: 46.30.213.0 2a02:2350:5:10a:5:bb5e:fe2a:3492 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u53539155.wl156.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u53539155.wl156.sendgrid.net	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	42A27444ECBF3C0485409E27E2A6AB15…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	42A27444ECBF3C0485409E27E2A6AB15…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	42A27444ECBF3C0485409E27E2A6AB15…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	42A27444ECBF3C0485409E27E2A6AB15…

🔐 DNSSEC#

118ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2026100704
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 2026-10-24 06:11:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-10-15
Expires	2027-10-31 (371d)

🔗 Same registrant#

2 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).

Domain	Registrar
renglasogfacade.dk	Punktum dk A/S (direct)
skadeservicefyn.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

38ms

35ms

33ms

AAAA

39ms

TXT

167ms

CAA

36ms

HTTPS

34ms

TLSA

81ms

SOA

46ms

MTA-STS

59ms

DNSSEC

118ms

SRV

55ms

Total

838ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 05:41:16	730ms	2 NS 1 A 4 MX	🔓 Insecure
2026-10-08 03:43:40 shown	838ms	2 NS 1 A 4 MX	🔓 Insecure
2026-09-24 00:41:09	628ms	2 NS 1 A 4 MX	🔓 Insecure
2026-08-24 16:54:28	731ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-25 21:25:59	703ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-17 23:00:44	1037ms	2 NS 1 A 4 MX	🔓 Insecure