challengesupply.com - robtex.com
challengesupply.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=1771291435 | ||||||
Subdomains
remote.challengesupply.com |
DNS History
10 records (5 active, 5 former)
○NSns.mainnameserver.com2015-05-14 → 2017-03-20 · 4 obs
● 2017-03-20 20:32:32
○ 2026-03-05 03:43:20
○ 2026-03-05 03:43:22
●NSns1.krystal.uk2026-03-05 → 2026-03-05 · 3 obs
● 2026-03-05 03:43:20
● 2026-03-05 03:43:22
●NSns2.krystal.uk2026-03-05 → 2026-03-05 · 3 obs
● 2026-03-05 03:43:20
● 2026-03-05 03:43:22
○NSns2.mainnameserver.com2015-05-14 → 2017-03-20 · 4 obs
● 2017-03-20 20:32:32
○ 2026-03-05 03:43:20
○ 2026-03-05 03:43:22
●MXeu-smtp-inbound-1.mimecast.com2026-03-05 → 2026-03-05 · 3 obs
● 2026-03-05 03:43:20
● 2026-03-05 03:43:22
●MXeu-smtp-inbound-2.mimecast.com2026-03-05 → 2026-03-05 · 3 obs
● 2026-03-05 03:43:20
● 2026-03-05 03:43:22
○MXremote.challengesupply.com2015-05-14 → 2017-03-20 · 4 obs
● 2017-03-20 20:32:32
○ 2026-03-05 03:43:20
○ 2026-03-05 03:43:22
○MXsmtp01-in.isheriff.com2016-03-11 → 2017-03-20 · 5 obs
● 2016-03-11 19:32:02
● 2017-03-20 20:32:32
○ 2026-03-05 03:43:20
○ 2026-03-05 03:43:22
●A185.194.90.262026-03-05 → 2026-03-05 · 3 obs
● 2026-03-05 03:43:20
● 2026-03-05 03:43:22
○A31.3.231.1502015-05-14 → 2017-03-20 · 4 obs
● 2017-03-20 20:32:32
○ 2026-03-05 03:43:20
○ 2026-03-05 03:43:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| challengesupply.com | ns2.krystal.uk, ns1.krystal.uk | - |
✅ Authoritative Response
Server: 77.72.0.11
NS records: ns2.krystal.uk, ns1.krystal.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for challengesupply.com (unsigned zone)
⏱️ Timing
Total: 534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.194.90.26 |
| NS | 2 | ns2.krystal.uk, ns1.krystal.uk |
| MX | 2 | eu-smtp-inbound-2.mimecast.com (pri: 10), eu-smtp-inbound-1.mimecast.com (pri: 10) |
| TXT | 4 | 0ed1fe018a273d7bb0c5be48b1b6bbdfd5f6822a, jbq689237gvk9c2qdr8q4k1p67rhxg5r... |
| SOA | 1 | ns1.krystal.uk admin.k-validator-kisha-l |
Analysis
Hierarchy
The parent of remote.challengesupply.com is challengesupply.com.
IP Addresses
challengesupply.com points to an IP address: 185.194.90.26.
other host names include newbarns.cumbria.sch.uk, delightfullyodd.com, cococare.co.uk, vandmp.co.uk and declanwatson.com; they share IP numbers with challengesupply.com.
Name Servers
Two name servers ns1.krystal.uk and ns2.krystal.uk handle the delegation for challengesupply.com.
challengesupply.com shares the same name server setup as other domains, for instance nevermindus.com, circuitsurgery.com, leedsosteopathy.com, craiggale.com and scamboard.net.
challengesupply.com at least partially shares name servers with other domains, for instance sedgefordhall.com, sansome-george.com, etacanada.org.uk, activitygroup.org.uk and rocksins.com.
these name servers are commonly used with ns1.krystal.co.uk, ns2.krystal.co.uk, ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns1.krystal.io, ns2.krystal.io, ns3.krystal.io and ns4.krystal.io.
Host names with one IP:
ns1.krystal.uk points to: 77.72.0.11
ns2.krystal.uk points to: 139.162.230.184
Mail Servers
challengesupply.com is handled by two mail servers: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.
challengesupply.com uses the same mail server setup as other domains, for instance 5minutefun.com, labelonline.co.uk, eruk.org.uk, uip.com.tw and milbank.co.uk.
challengesupply.com shares at least partially some mail servers with other domains, for instance lpa-light.com, osw-group.com, dataconnect.co.uk, thinkpeople.ie and braasakeri.se.
Host names with six IP numbers
eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com each point to: 91.220.42.201, 91.220.42.211, 91.220.42.241, 195.130.217.201, 195.130.217.211 and 195.130.217.241
Host names that point to 91.220.42.201: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com
Host names that point to 91.220.42.211: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com
Host names that point to 91.220.42.241: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com
Host names that point to 195.130.217.201: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com
Host names that point to 195.130.217.211: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com
Host names that point to 195.130.217.241: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com