renserioesterbro.dk DNS records

🖥️ Nameservers2 records 47ms

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 Records1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.4	3600s	web28.123hotel.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.renserioesterbro.dk	185.21.42.13	director1.mf.curanet.dk	AS48854 team.blue Denmark A/S
100	43200s	backup-mx.zitcom.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	renserioesterbro.dk → 185.21.40.4
🔶 Autoconfig	renserioesterbro.dk → 185.21.40.4

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 149ms

TXT Record
v=spf1 a include:spf.curanet.dk ~all

✉️ SPF

Policy	Record (renserioesterbro.dk)
~all (soft fail)	v=spf1 a include:spf.curanet.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.renserioesterbro.dk	renserioesterbro.dk

🔗 TLSA / DANE

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

🔐 DNSSEC55ms

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

🏷️ SOA48ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

30ms

MX

41ms

AAAA

40ms

TXT

149ms

CAA

44ms

HTTPS

32ms

TLSA

67ms

SOA

48ms

MTA-STS

38ms

DNSSEC

55ms

SRV

45ms

Total

718ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-28 21:50:47	718ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 18:18:36	783ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 13:13:09	3253ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 02:44:45	921ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 08:16:36	621ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 23:06:13	1288ms	2 NS 1 A 2 MX	🔒 Secure	View