renekspert.dk

📜 Historical scan 2026-06-20 09:07:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

renekspert.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by renekspert-dk.mail.protection.outlook.com, backup-mx.zitcom.dk. The zone is DNSSEC-signed and validates, publishes a 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records#

2 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	renekspert-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::3 52.101.68.25 52.101.73.16 52.101.73.19 52.101.73.26	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
20	600s	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	autodiscover.outlook.com → 52.98.152.168
🔶 Autoconfig	162.159.135.42

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 233ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 329ms

TXT Record
apple-domain-verification=BrbAcH2kR2ltyN4E
MS=ms14603033
v=spf1 a mx include:spf.protection.outlook.com include:spf.smtp2go.com include:sendgrid.net ip4:194.150.113.0/24 ip4:194.150.112.0/24 ~all

✉️ SPF#

Policy	Record (renekspert.dk)
~all (soft fail)	v=spf1 a mx include:spf.protection.outlook.com include:spf.smtp2go.com include:sendgrid.net ip4:194.150.113.0/24 ip4:194.150.112.0/24 ~all

📨 DMARC#

Policy	Record (_dmarc.renekspert.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 2026-10-10 16:43:06

www CNAME	renekspert.dk (all on renekspert.dk) → 162.159.135.42 (AS13335)
www vs bare domain	Same network renekspert.dk: 162.159.135.42 (AS13335) www.renekspert.dk: 162.159.135.42 (AS13335)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u5764297.wl048.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u5764297.wl048.sendgrid.net	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: 6/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.renekspert.dk	renekspert.dk.kinstavalidation.app

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

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

🏷️ SOA#

84ms

Field	Value
Serial	2025120401
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

79ms

120ms

AAAA

42ms

TXT

329ms

CAA

67ms

HTTPS

139ms

TLSA

194ms

SOA

84ms

MTA-STS

161ms

DNSSEC

103ms

SRV

233ms

Total

884ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 03:56:47	1226ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 21:51:17	4662ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 08:38:31	1190ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 09:07:06 shown	884ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 07:47:45	1610ms	2 NS 1 A 2 MX	🔒 Secure