letsencrypt.de - dns.ninja

letsencrypt.de

DNSSEC⚠️ Not signed
A178.254.10.73🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK
PTRsh-69.1blu.de
NSns01.1blu.de ⭐
A87.238.195.66🇩🇪 EVANZOAS87.238.192.0/21 DE-EVANZO-MK
NSns02.1blu.de
A178.254.5.130🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK
MXmail.letsencrypt.de ⭐
A178.254.4.101🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK
PTRms-10.1blu.de
TXTv=spf1 mx include:_spf.1blu.de ~all
SOAns01.1blu.dehostmaster@1blu.de 2025-02-25 #1

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1785268511

Subdomains

mail.letsencrypt.de
www.letsencrypt.de

Same first word

letsencrypt.online
letsencrypt.com
letsencrypt.io
letsencrypt.eu.com
letsencrypt.s3.amazonaws.com
letsencrypt.email
letsencrypt.de
letsencrypt.net
letsencrypt.org
letsencrypt.cc
letsencrypt.com.au
letsencrypt.jp
letsencrypt.us

DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026NSns01.1blu.dens02.1blu.deMXmail.letsencrypt.deA178.254.10.7387.238.193.48
●NSns01.1blu.de2017-01-01 → 2026-07-28 · 2 obs
● 2017-01-01 21:07:32
● 2026-07-28 20:03:10
●NSns02.1blu.de2017-01-01 → 2026-07-28 · 2 obs
● 2017-01-01 21:07:32
● 2026-07-28 20:03:10
●MXmail.letsencrypt.de2017-01-01 → 2026-07-28 · 2 obs
● 2017-01-01 21:07:32
● 2026-07-28 20:03:10
●A178.254.10.732026-03-04 → 2026-07-28 · 3 obs
○ 2020-02-22 06:41:50
● 2026-03-04 15:47:42
● 2026-07-28 20:03:10
○A87.238.193.482017-01-01 → 2020-02-22 · 4 obs
● 2017-01-01 21:07:32
● 2020-02-22 06:41:50
○ 2026-03-04 15:47:42
○ 2026-07-28 20:03:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
letsencrypt.dens01.1blu.de, ns02.1blu.de-

✅ Authoritative Response

Server:87.238.195.66

NS records: ns01.1blu.de, ns02.1blu.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letsencrypt.de (unsigned zone)

⏱️ Timing

Total: 927ms | Queries: -

📄 Records

TypeCountSample Data
A1178.254.10.73
NS2ns02.1blu.de, ns01.1blu.de
MX1mail.letsencrypt.de (pri: 10)
TXT1v=spf1 mx include:_spf.1blu.de ~all
SOA1ns01.1blu.de hostmaster.1blu.de

Analysis

Hierarchy

letsencrypt.de serves as the parent of mail.letsencrypt.de and www.letsencrypt.de.

IP Addresses

letsencrypt.de has exactly one IP address — 178.254.10.73.

f--m.de, hoffestev.de, ns03.fvits-server.de plus two other host names have IP numbers in common with letsencrypt.de.

Name Servers

letsencrypt.de has two authoritative name servers — ns01.1blu.de and ns02.1blu.de.

The name server configuration of letsencrypt.de is shared with other domains, for instance saelzle.eu, kraushaar-ferienwohnungen.de, mit-leipzig.de and two others.

ns01.1blu.de directs to 87.238.195.66 and ns02.1blu.de directs to 178.254.5.130; each host name points to exactly one IP number.

Mail Servers

letsencrypt.de uses one mail server — mail.letsencrypt.de.

mail.letsencrypt.de points to one IP number — 178.254.4.101.