nerenst.dk
Last scanned: 2026-08-22 21:13:25  ·  6909ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
NameserverIP addressesPTRASN / 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 Records1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.106.165.30 43200s mail.itiot.dk AS42541 Fiberby ApS 193.106.164.0/22 🇩🇰 Denmark —
📧 MX Records1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.itiot.dk 193.106.165.30 mail.itiot.dk AS42541 Fiberby ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovernerenst.dk → 193.106.165.30
🔶 Autoconfignerenst.dk → 193.106.165.30
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   186ms
TXT Record
v=spf1 a:mail.itiot.dk -all
✉️ SPF
PolicyRecord (nerenst.dk)
-all (hard fail) v=spf1 a:mail.itiot.dk -all
📨 DMARC
PolicyRecord (_dmarc.nerenst.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:nanna@nerenst.dk; pct=100
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.nerenst.dk nerenst.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC78ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA50ms
FieldValue
Serial2026081802
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
53ms
MX
48ms
AAAA
62ms
TXT
186ms
CAA
64ms
HTTPS
51ms
TLSA
2059ms
SOA
50ms
MTA-STS
61ms
DNSSEC
78ms
SRV
67ms
Total
6909ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-22 21:13:25 6909ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-19 20:34:27 6831ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-18 20:22:53 2567ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-07 21:46:50 6829ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 10:49:58 763ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 12:00:14 1019ms 2 NS 1 A 1 MX 🔒 Secure View
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