100cols.com - robtex.com
100cols.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776277597 | ||||||
Subdomains
mail.100cols.com |
Same first word
100cols.com |
DNS History
14 records (7 active, 7 former)
●NSdns1.safira-hosting.nl2016-11-08 → 2026-04-15 · 3 obs
● 2016-11-08 10:40:36
● 2026-04-15 18:53:04
●NSdns2.safira-hosting.nl2016-11-08 → 2026-04-15 · 3 obs
● 2016-11-08 10:40:36
● 2026-04-15 18:53:04
●NSdns3.safira-hosting.nl2016-11-08 → 2026-04-15 · 3 obs
● 2016-11-08 10:40:36
● 2026-04-15 18:53:04
○NSns1.flexwebhosting.nl2015-06-20 → 2016-04-15 · 4 obs
● 2016-04-15 18:53:46
○ 2016-11-08 10:40:36
○ 2026-04-15 18:53:04
○NSns2.flexwebhosting.nl2015-06-20 → 2016-04-15 · 4 obs
● 2016-04-15 18:53:46
○ 2016-11-08 10:40:36
○ 2026-04-15 18:53:04
○NSns3.flexwebhosting.com2015-06-20 → 2016-04-15 · 4 obs
● 2016-04-15 18:53:46
○ 2016-11-08 10:40:36
○ 2026-04-15 18:53:04
●MXfallbackmx.spamexperts.eu2016-11-08 → 2026-04-15 · 3 obs
● 2016-11-08 10:40:36
● 2026-04-15 18:53:04
●MXlastmx.spamexperts.net2016-11-08 → 2026-04-15 · 3 obs
● 2016-11-08 10:40:36
● 2026-04-15 18:53:04
○MXmail.100cols.com2015-06-20 → 2016-04-15 · 4 obs
● 2016-04-15 18:53:46
○ 2016-11-08 10:40:36
○ 2026-04-15 18:53:04
●MXmx.spamexperts.com2016-11-08 → 2026-04-15 · 3 obs
● 2016-11-08 10:40:36
● 2026-04-15 18:53:04
●A109.237.216.2382026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 18:53:04
○A141.138.204.402016-11-08 → 2017-06-17 · 4 obs
● 2016-11-08 10:40:36
● 2017-06-17 10:04:56
○ 2026-04-15 18:53:04
○A2a02:348:83:cc28::12016-11-08 → 2017-06-17 · 4 obs
● 2016-11-08 10:40:36
● 2017-06-17 10:04:56
○ 2026-04-15 18:53:04
○A85.92.140.1362015-06-20 → 2016-04-15 · 4 obs
● 2016-04-15 18:53:46
○ 2016-11-08 10:40:36
○ 2026-04-15 18:53:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 100cols.com | dns3.safira-hosting.nl, dns2.safira-hosting.nl, dns1.safira-hosting.nl | - |
✅ Authoritative Response
Server:109.237.221.42
NS records: dns3.safira-hosting.nl, dns2.safira-hosting.nl, dns1.safira-hosting.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 100cols.com (unsigned zone)
⏱️ Timing
Total: 576ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.237.216.238 |
| NS | 3 | dns3.safira-hosting.nl, dns1.safira-hosting.nl... |
| MX | 3 | mx.spamexperts.com (pri: 10), lastmx.spamexperts.net (pri: 30)... |
| TXT | 1 | v=spf1 a mx ip4:109.237.216.238 ~all |
| SOA | 1 | dns1.safira-hosting.nl hostmaster.100col |
Analysis
Hierarchy
The parent of mail.100cols.com is 100cols.com.
IP Addresses
100cols.com points to IP number: 109.237.216.238.
Other host names such as oort.nl, hogty.nl, rvgdevelopment.nl, arcelormittalconstructionnederland.nl and vsdg.nl share IPs with 100cols.com.
Name Servers
100cols.com is delegated to three name servers: dns1.safira-hosting.nl, dns2.safira-hosting.nl and dns3.safira-hosting.nl.
100cols.com at least partially shares name servers with other domains, for instance enduro-mover.eu, odin.safira.nl, tooncommunicatie.nl, dua.nu and rcalkmaar.nl.
Host names with a single IP:
dns1.safira-hosting.nl points to: 109.237.216.238.
dns2.safira-hosting.nl points to: 109.237.221.42.
dns3.safira-hosting.nl points to: 109.237.218.251.
Mail Servers
Three mail servers handle 100cols.com: mx.spamexperts.com, fallbackmx.spamexperts.eu and lastmx.spamexperts.net.
100cols.com shares at least partially some mail servers with other domains, including sinover.ro, eurocafe.com.br, brainwork.co.th, fatek.co.th and multipapel.com.
Eight IP numbers:
lastmx.spamexperts.net points to: 2001:550:2:3::62:100, 2001:550:2:61::2fc:100, 2001:978:2:7::162:100, 2001:978:2:2c::137:100, 38.71.16.244, 38.89.254.156, 149.13.75.27 and 154.59.104.23.
Six IP numbers:
fallbackmx.spamexperts.eu points to: 2001:550:2:3::62:100, 2001:550:2:61::2fc:100, 2001:550:2:78::ca:100, 38.71.16.244, 38.89.254.156 and 38.101.250.150.
Two IP numbers:
mx.spamexperts.com points to: 2001:550:2:61::2fc:100 and 38.101.250.150.
Names that point to 2001:550:2:3::62:100: lastmx.spamexperts.net and fallbackmx.spamexperts.eu.
Names that point to 2001:550:2:61::2fc:100: lastmx.spamexperts.net, fallbackmx.spamexperts.eu and mx.spamexperts.com.
Names that point to 38.71.16.244: lastmx.spamexperts.net and fallbackmx.spamexperts.eu.
Names that point to 38.89.254.156: lastmx.spamexperts.net and fallbackmx.spamexperts.eu.
Names that point to 38.101.250.150: fallbackmx.spamexperts.eu and mx.spamexperts.com.