mail.serf.cz - robtex.com

mail.serf.cz

DNSSEC⚠️ Not signed
A95.179.200.197🇬🇧 AS-VULTR95.179.192.0/20 Vultr Assigned Prefix
PTR95.179.200.197.vultrusercontent.com
NSns.parktons.com ⭐
A46.8.8.88🇨🇿 GRANSY46.8.8.0/24
NSdelta1.rdrhost.com ⚠️ Not in parent delegation
A95.179.200.197🇬🇧 AS-VULTR95.179.192.0/20 Vultr Assigned Prefix
PTR95.179.200.197.vultrusercontent.com
NSdelta2.rdrhost.com ⚠️ Not in parent delegation
A192.248.170.43🇬🇧 AS-VULTR192.248.160.0/20 Vultr Assigned Prefix
PTR192.248.170.43.vultrusercontent.com
MXmail.parktons.com ⭐
A155.138.212.151🇺🇸 AS-VULTR155.138.192.0/19 Vultr Assigned Prefix
PTR155-138-212-151.lum-int.io
SOAns.parktons.comroot@parktons.com serial=2617179285

serf.cz

DNSSEC⚠️ Not signed
A95.179.200.197🇬🇧 AS-VULTR95.179.192.0/20 Vultr Assigned Prefix
NSns.parktons.com ⭐
NSdelta1.rdrhost.com
NSdelta2.rdrhost.com
MXmail.parktons.com ⭐
SOAns.parktons.comroot@parktons.com serial=2617179285

Previously MX for

serf.cz

Same first word

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mail.et

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DNS History

7 records (5 active, 2 former)

201820192020202120222023202420252026NSdelta1.rdrhost.comdelta2.rdrhost.comns.parktons.comMXmail.parktons.comA95.179.200.197185.25.185.10681.91.83.110
●NSdelta1.rdrhost.com2026-04-25 → 2026-05-10 · 2 obs
● 2026-04-25 21:29:44
● 2026-05-10 00:56:30
●NSdelta2.rdrhost.com2026-04-25 → 2026-05-10 · 2 obs
● 2026-04-25 21:29:44
● 2026-05-10 00:56:30
●NSns.parktons.com2026-04-25 → 2026-05-10 · 2 obs
● 2026-04-25 21:29:44
● 2026-05-10 00:56:30
●MXmail.parktons.com2026-04-25 → 2026-05-10 · 2 obs
● 2026-04-25 21:29:44
● 2026-05-10 00:56:30
○A185.25.185.1062026-04-25 → 2026-05-10 · 2 obs
○ 2026-04-25 21:29:44
○ 2026-05-10 00:56:30
○A81.91.83.1102017-04-09 → 2017-04-09 · 3 obs
● 2017-04-09 11:02:58
○ 2026-04-25 21:29:44
○ 2026-05-10 00:56:30
●A95.179.200.1972026-04-25 → 2026-05-10 · 3 obs
○ 2017-04-09 11:02:58
● 2026-04-25 21:29:44
● 2026-05-10 00:56:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
serf.czdelta1.rdrhost.com, delta2.rdrhost.com-

✅ Authoritative Response

Server:95.179.200.197

NS records: delta1.rdrhost.com, delta2.rdrhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for serf.cz (unsigned zone)

⏱️ Timing

Total: 1213ms | Queries: -

📄 Records

TypeCountSample Data
A195.179.200.197
NS2delta1.rdrhost.com, delta2.rdrhost.com
MX1mail.parktons.com (pri: 10)
SOA1ns.parktons.com root.parktons.com

Analysis

IP Addresses

mail.serf.cz points to IP number: 95.179.200.197.

Other host names such as ns004dns.webproxy.cz, mail.revivo.cz, openday.cz, ehz.cz and vege.cz share IPs with mail.serf.cz.

Name Servers

mail.serf.cz is delegated to three name servers: ns.parktons.com, delta1.rdrhost.com and delta2.rdrhost.com.

mail.serf.cz at least partially shares name servers with other domains, for instance www.svos.cz, 26394.info, ac32ec7382e3.adts.info, kuo.cz and img-egc.(0x78766964656f73)-cdn.com.domain.name.

These name servers are commonly used with ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com, beta1.rdrhost.com, beta2.rdrhost.com, dns1.domain.name, dns2.domain.name, gamma1.rdrhost.com and gamma2.rdrhost.com.

Host names with a single IP:

ns.parktons.com points to: 46.8.8.88.

delta1.rdrhost.com points to: 95.179.200.197.

delta2.rdrhost.com points to: 192.248.170.43.

Mail Servers

mail.serf.cz is handled by a single mail server, mail.parktons.com.

The mail server setup for mail.serf.cz matches that of other domains, for instance (0x65726f746963)guide.cz, educom.cz, fsdu6-1.fna.fbcdn.net.domain.name, 59-user20.scnet.cz and queer-club.cz.

mail.parktons.com points to a single IP: 155.138.212.151.