leerdammer.dk

Records from scan: 2026-10-07 17:09:45 · 654ms total · last checked 2026-10-19 15:08 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

leerdammer.dk is a .dk domain served by 3 nameservers (nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 45.223.137.80 is hosted by Incapsula Inc (AS19551) in United States. Mail is handled by mail.leerdammer.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
nsa.perf1.fr	2a01:c8:100::100 81.92.94.100	nsa.perf1.fr nsa.perf1.fr	AS20756 Nameshield SAS AS20756 Nameshield SAS
nsb.perf1.com	2a01:c8:101::100 81.92.95.100	nsb.perf1.com nsb.perf1.com	AS20756 Nameshield SAS AS20756 Nameshield SAS
nsc.perf1.com	152.89.172.100 2a09:35c0:102::100	nsc.perf1.com nsc.perf1.com	AS209510 Nameshield SAS AS209510 Nameshield SAS

🌍 A Records#

2 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
45.223.137.80	43200s	—	AS19551	Incapsula Inc	45.223.128.0/19	🇺🇸 United States	—
45.223.147.80	43200s	—	AS19551	Incapsula Inc	45.223.128.0/19	🇺🇸 United States	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.leerdammer.dk	195.64.164.240	basic-mail.safebrands.com	AS196763 Key-Systems GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 177ms

TXT Record
_pki-validation.leerdammer.dk
v=spf1 -all

✉️ SPF#

Policy	Record (leerdammer.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.leerdammer.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

📬 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#

checked 2026-10-07 17:09:45

www CNAME	xj5yfeu.impervadns.net (all on impervadns.net) → 45.223.139.80 (AS19551)
www vs bare domain	Same network leerdammer.dk: 45.223.137.80 45.223.147.80 (AS19551) www.leerdammer.dk: 45.223.139.80 (AS19551)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

61ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

40ms

Field	Value
Serial	2024012414
Primary NS (MNAME)	nsa.perf1.fr
Responsible (RNAME)	technical@nameshield.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	7200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

34ms

60ms

37ms

AAAA

47ms

TXT

177ms

CAA

44ms

HTTPS

52ms

TLSA

62ms

SOA

40ms

MTA-STS

70ms

DNSSEC

61ms

SRV

76ms

Total

654ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:09:45 shown	654ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-30 10:42:06	790ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-16 03:46:42	4635ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-06 16:22:08	651ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-27 05:16:23	2562ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-26 04:55:35	1750ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-18 05:32:11	620ms	3 NS 2 A 1 MX	🔓 Insecure