lermailer.dk

📜 Historical scan 2026-07-02 23:34:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lermailer.dk is a .dk domain served by 4 nameservers (ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org and 1 more). It was registered on 6 July 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.66.44 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by mailfilter0.rackhosting.com, mailfilter1.rackhosting.com. The zone is not DNSSEC-signed, 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#

4 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-05.azure-dns.com	13.107.236.5 2603:1061:0:700::5	ns1-05.azure-dns.com ns1-05.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-05.azure-dns.net	150.171.21.5 2620:1ec:8ec:700::5	ns2-05.azure-dns.net ns2-05.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-05.azure-dns.org	204.14.183.5 2a01:111:4000:700::5	ns3-05.azure-dns.org ns3-05.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-05.azure-dns.info	208.84.5.5 2620:1ec:bda:700::5	ns4-05.azure-dns.info ns4-05.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.247.66.44	3600s	—	AS31590	Rackhosting.com ApS	77.247.64.0/20	🇩🇰 Denmark	—

📧 MX Records#

2 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mailfilter0.rackhosting.com	77.247.73.194 77.247.73.195 77.247.73.196 77.247.73.197	mailfilter-se0.rackhosting.com mailfilter-se1.rackhosting.com mailfilter-se2.rackhosting.com mailfilter-se3.rackhosting.com	AS31590 Rackhosting.com ApS AS31590 Rackhosting.com ApS AS31590 Rackhosting.com ApS AS31590 Rackhosting.com ApS
20	3600s	mailfilter1.rackhosting.com	77.247.73.198 77.247.73.199 77.247.73.200 77.247.73.201	mailfilter-se0-1.rackhosting.com mailfilter-se1-1.rackhosting.com mailfilter-se2-1.rackhosting.com mailfilter-se3-1.rackhosting.com	AS31590 Rackhosting.com ApS AS31590 Rackhosting.com ApS AS31590 Rackhosting.com ApS AS31590 Rackhosting.com ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	proxy.ghop.dk
🔶 Autoconfig	proxy.ghop.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 214ms

TXT Record
JMrOlcGQNAspls5nu9s5NYRDi3+netIuh03e/UBW9lqctvbFERuAR+MOv9+mVBbU9NHJh97bchzS9noaOY5Ssg==
MS=ms80299711
MS=ms98559197
v=spf1 include:spf.rackhosting.com -all

✉️ SPF#

Policy	Record (lermailer.dk)
-all (hard fail)	v=spf1 include:spf.rackhosting.com -all

📨 DMARC#

Policy	Record (_dmarc.lermailer.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=reject; fo=1; adkim=s; aspf=s; 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#

latest probe, not this scan · checked 2026-10-09 14:30:30

www CNAME	proxy.ghop.dk (all on ghop.dk)
www vs bare domain	www does not resolve lermailer.dk: 77.247.66.44 (AS31590) www.lermailer.dk: no address (all like this)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.lermailer.dk	proxy.ghop.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

168ms

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

🏷️ SOA#

59ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-05.azure-dns.com
Responsible (RNAME)	domain@sweco.se
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 19:23:02

Field	Value
Registrar	InterNetX GmbH
Registered	2010-07-06
Expires	2027-07-31 (286d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

53ms

60ms

AAAA

58ms

TXT

214ms

CAA

54ms

HTTPS

66ms

TLSA

494ms

SOA

59ms

MTA-STS

69ms

DNSSEC

168ms

SRV

69ms

Total

1540ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:30:30	1228ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-25 03:00:36	793ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-14 16:19:06	761ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-25 16:26:44	757ms	4 NS 1 A 2 MX	🔓 Insecure
2026-07-02 23:34:31 shown	1540ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-25 03:25:07	1345ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-21 05:00:53	1014ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-20 05:01:36	788ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-17 22:12:54	1584ms	4 NS 1 A 2 MX	🔓 Insecure