lettre.dk

📜 Historical scan 2026-06-19 17:46:49  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lettre.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 6 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.188.72.86 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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#

4 records   85ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.188.72.86 2916s vps1297.basicserver.io AS48854 team.blue Denmark A/S 89.188.72.0/21 🇩🇰 Denmark —

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover89.188.72.86
🔶 Autoconfig89.188.72.86

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-22 09:44:57
www104.21.62.245 172.67.141.54 2606:4700:3031::ac43:8d36 2606:4700:3037::6815:3ef5 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

65ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

60ms
FieldValue
Serial2025101600
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-01 03:26:33
FieldValue
RegistrarIlkari Domains Limited
Registered2021-02-06
Expires2027-02-28 (129d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
85ms
A
43ms
MX
82ms
AAAA
28ms
TXT
256ms
CAA
35ms
HTTPS
25ms
TLSA
90ms
SOA
60ms
MTA-STS
42ms
DNSSEC
65ms
SRV
134ms
Total
559ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 09:44:57 800ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-09 10:27:09 809ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-01 02:58:43 2536ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-30 02:34:46 1111ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-29 02:26:29 2762ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-28 02:01:42 1164ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-27 01:53:23 652ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-24 01:08:36 546ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-20 14:13:50 1467ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-13 12:50:26 1198ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-05 03:14:24 1289ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-02 02:17:58 442ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-23 14:23:43 3517ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-22 16:52:08 927ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 22:14:48 1676ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-21 14:16:23 1141ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 04:15:53 1190ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-19 17:46:49 shown 559ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-18 14:34:49 621ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-17 22:05:43 532ms 4 NS 1 A 0 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone