larsen-mail.dk

📜 Historical scan 2026-06-20 01:47:29 · ← Latest scan

larsen-mail.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 198ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records

🌍

No A records found

📧 MX Records

2 records 262ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

1 records 906ms

TXT Record
v=spf1 include:spf.curanet.dk include:zitcom.dk -all

✉️ SPF

Policy	Record (larsen-mail.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk include:zitcom.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 2026-09-29 14:39:28

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check

zone-wide SPF report

DNS lookups: 12/10 · policy: -all

error 12 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE

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

🔐 DNSSEC

845ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA

274ms

Field	Value
Serial	2021111701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

198ms

240ms

262ms

AAAA

197ms

TXT

906ms

CAA

180ms

HTTPS

346ms

TLSA

225ms

SOA

274ms

MTA-STS

379ms

DNSSEC

845ms

SRV

529ms

Total

3492ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-29 14:39:28	1241ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-27 10:09:11	499ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-26 20:35:27	503ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-04 19:31:57	2776ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-22 11:46:09	2444ms	2 NS 0 A 2 MX	⚠️ Bogus
2026-06-20 21:22:48	1113ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 01:47:29 shown	3492ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-18 06:57:51	2400ms	2 NS 0 A 2 MX	🔒 Secure