nerenst.dk

📜 Historical scan 2026-06-17 12:00:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nerenst.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 July 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.106.165.30 is hosted by Fiberby ApS (AS42541) in Denmark. Mail is handled by mail.itiot.dk. 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 43ms

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 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.106.165.30	—	mail.itiot.dk	AS42541	Fiberby ApS	193.106.164.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.itiot.dk	193.106.165.30	mail.itiot.dk	AS42541 Fiberby ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 241ms

TXT Record
v=spf1 a:mail.itiot.dk -all

✉️ SPF#

Policy	Record (nerenst.dk)
-all (hard fail)	v=spf1 a:mail.itiot.dk -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 2026-10-08 00:12:59

www CNAME	nerenst.dk (all on nerenst.dk) → 193.106.165.30 (AS42541)
www vs bare domain	Same network nerenst.dk: 193.106.165.30 (AS42541) www.nerenst.dk: 193.106.165.30 (AS42541)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	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#

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

🔐 DNSSEC#

140ms

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

🏷️ SOA#

140ms

Field	Value
Serial	2026060301
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 2026-10-05 01:11:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-07-22
Expires	2027-07-31 (278d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

72ms

62ms

AAAA

54ms

TXT

241ms

CAA

67ms

HTTPS

133ms

TLSA

170ms

SOA

140ms

MTA-STS

134ms

DNSSEC

140ms

SRV

0ms

Total

1019ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 00:12:59	536ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 01:02:29	722ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 23:12:27	693ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 06:36:06	1178ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 17:57:36	1036ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 21:13:25	6909ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 20:34:27	6831ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 20:22:53	2567ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 21:46:50	6829ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 10:49:58	763ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:00:14 shown	1019ms	2 NS 1 A 1 MX	🔒 Secure