lerl.info - robtex.com
lerl.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.86.11🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | php5.web4u.cz | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mx1.mailchannels.net ⭐ | ||||||
| A | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-02 #0 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1777282179 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
○MXmail.lerl.info2015-07-25 → 2017-04-10 · 4 obs
● 2017-04-10 18:28:24
○ 2026-03-27 12:06:44
○ 2026-04-27 10:07:26
●MXmx1.mailchannels.net2026-03-27 → 2026-04-27 · 3 obs
● 2026-03-27 12:06:44
● 2026-04-27 10:07:26
●MXmx2.mailchannels.net2026-03-27 → 2026-04-27 · 3 obs
● 2026-03-27 12:06:44
● 2026-04-27 10:07:26
●A81.91.86.112015-07-25 → 2026-04-27 · 2 obs
● 2026-04-27 10:07:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| lerl.info | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lerl.info (unsigned zone)
⏱️ Timing
Total: 739ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.11 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
IP Addresses
lerl.info maps to IP address 81.91.86.11.
Other host names, for instance devat.web4u.cz, alare.cz, unassigned-81-91-92-233.web4u.cz, unassigned-81-91-84-54.web4u.cz and www.velmarek.cz share IP numbers with lerl.info.
Name Servers
Two name servers ns2.web4u.cz and ns.web4u.cz are delegated to lerl.info.
lerl.info uses the same name server configuration as other domains, such as mp-soft.info, hotel-peregrin.com, cottocrudo.eu, disposervis.cz and srovnavac.cz.
Host names with two IPs:
ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.
ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.
Mail Servers
Two mail servers handle lerl.info: mx1.mailchannels.net and mx2.mailchannels.net.
lerl.info shares the same mail server setup as other domains, including alvent.com, helensburghadviser.com, kittec.cz, magnoliacolor.com and itvo.online.
lerl.info shares some mail servers with other domains, at least partially, for instance housebox-kw.com.
Host names with a single IP address:
mx1.mailchannels.net points to 54.187.177.89
mx2.mailchannels.net points to 54.69.1.140