apstech.sk - robtex.com
apstech.sk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.9.175.21🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| PTR | 21.175.9.37.in-addr.arpa.websupport.sk | ||||||
| NS | ns1.websupport.sk ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.sk | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.sk | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| MX | mail.protonmail.ch ⭐ | ||||||
| A | 176.119.200.128🇨🇭 Proton176.119.200.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.70.42.128🇨🇭 Proton185.70.42.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.205.70.128🇫🇷 Proton185.205.70.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| TXT | v=spf1 include:_spf.protonmail.ch mx ~all | ||||||
| TXT | protonmail-verification=6ff223d812c2d448d9025e3d10ff45e5cdd01cd8 | ||||||
| SOA | ns1.websupport.skadmin@websupport.sk serial=1596102797 | ||||||
sk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | m.tld.sk ⭐ | ||||||
| NS | e.tld.sk | ||||||
| NS | f.tld.sk | ||||||
| NS | g.tld.sk | ||||||
| NS | h.tld.sk | ||||||
| SOA | m.tld.skhostmaster@sk-nic.sk serial=2018506200 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSns1.websupport.sk2015-06-30 → 2026-04-15 · 2 obs
● 2026-04-15 17:00:36
●NSns2.websupport.sk2015-06-30 → 2026-04-15 · 2 obs
● 2026-04-15 17:00:36
●NSns3.websupport.sk2015-06-30 → 2026-04-15 · 2 obs
● 2026-04-15 17:00:36
●MXmail.protonmail.ch2020-03-06 → 2026-04-15 · 3 obs
● 2020-03-06 04:40:22
● 2026-04-15 17:00:36
○MXmailin1.apstech.sk2015-06-30 → 2016-11-26 · 4 obs
● 2016-11-26 15:01:30
○ 2020-03-06 04:40:22
○ 2026-04-15 17:00:36
○MXmailin2.apstech.sk2015-06-30 → 2016-11-26 · 4 obs
● 2016-11-26 15:01:30
○ 2020-03-06 04:40:22
○ 2026-04-15 17:00:36
○MXmailinbackup1.apstech.sk2015-06-30 → 2016-04-16 · 4 obs
● 2016-04-16 08:26:28
○ 2016-11-26 15:01:30
○ 2026-04-15 17:00:36
●A37.9.175.212020-03-06 → 2026-04-15 · 3 obs
● 2020-03-06 04:40:22
● 2026-04-15 17:00:36
○A37.9.175.32015-06-30 → 2016-11-26 · 4 obs
● 2016-11-26 15:01:30
○ 2020-03-06 04:40:22
○ 2026-04-15 17:00:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | e.tld.sk, h.tld.sk, g.tld.sk, f.tld.sk | 8 records |
| apstech.sk | ns2.websupport.sk, ns1.websupport.sk, ns3.websupport.sk | 6 records |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns2.websupport.sk, ns1.websupport.sk, ns3.websupport.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 576ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.21 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 1 | mail.protonmail.ch (pri: 10) |
| TXT | 2 | v=spf1 include:_spf.protonmail.ch mx ~al, protonmail-verification=6ff223d812c2d448 |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
📌 Glue Records Collected
Total: 14
In-bailiwick: 8 (h.tld.sk, g.tld.sk, f.tld.sk...)
Out-of-bailiwick: 6 (ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk...)
Analysis
IP Addresses
apstech.sk resolves to a single IP: 37.9.175.21.
Other host names, for instance simteo.com, egne.de, grandpower.cz, pipak.sk and bx.hd-shop.sk share IP numbers with apstech.sk.
Name Servers
apstech.sk delegates to three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
apstech.sk shares some name servers with other domains, for example termohospital.cz, mucin.sk, impactfulmeetings.com, rumancek.com and stikeys.com.
These name servers are often used together with ns1.websupport.hu, ns2.websupport.hu and ns3.websupport.hu.
Host names with two IP numbers:
ns1.websupport.sk: 2a10:bbc0::11 and 45.10.97.11
ns2.websupport.sk: 2a02:250:3::12 and 185.71.159.12
ns3.websupport.sk: 2a10:bbc0::13 and 45.10.97.13
Mail Servers
apstech.sk is handled by a single mail server, mail.protonmail.ch.
apstech.sk shares the mail server setup with other domains, for example cmandersen.com, aimeedevlin.com, bladeblue.com, nttinvest.com and japanpartsworldwide.com.
apstech.sk shares some mail servers with other domains, at least partially; for instance sipy.com, alko.cz, danajensen.us, kire88.dev and buysilvercoins.eu.
these mail servers are commonly used alongside the mail servers mailsec.protonmail.ch.
Host name mail.protonmail.ch resolves to three IP numbers: 176.119.200.128, 185.70.42.128 and 185.205.70.128.