challengeengineeringworks.com - robtex.com
challengeengineeringworks.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=1774947747 | ||||||
Same first word
challengeengineeringworks.com |
DNS History
18 records (10 active, 8 former)
○NSasa.ns.cloudflare.com2015-05-27 → 2018-06-02 · 4 obs
● 2018-06-02 23:15:06
○ 2026-02-18 12:55:32
○ 2026-03-31 09:13:04
○NSguss.ns.cloudflare.com2015-05-27 → 2018-06-02 · 4 obs
● 2018-06-02 23:15:06
○ 2026-02-18 12:55:32
○ 2026-03-31 09:13:04
●NSns1.stackdns.com2026-02-18 → 2026-03-31 · 3 obs
● 2026-02-18 12:55:32
● 2026-03-31 09:13:04
●NSns2.stackdns.com2026-02-18 → 2026-03-31 · 3 obs
● 2026-02-18 12:55:32
● 2026-03-31 09:13:04
●NSns3.stackdns.com2026-02-18 → 2026-03-31 · 3 obs
● 2026-02-18 12:55:32
● 2026-03-31 09:13:04
●NSns4.stackdns.com2026-02-18 → 2026-03-31 · 3 obs
● 2026-02-18 12:55:32
● 2026-03-31 09:13:04
●MXalt1.aspmx.l.google.com2015-05-27 → 2026-03-31 · 2 obs
● 2026-03-31 09:13:04
●MXalt2.aspmx.l.google.com2015-05-27 → 2026-03-31 · 2 obs
● 2026-03-31 09:13:04
●MXaspmx.l.google.com2015-05-27 → 2026-03-31 · 2 obs
● 2026-03-31 09:13:04
●MXaspmx2.googlemail.com2015-05-27 → 2026-03-31 · 2 obs
● 2026-03-31 09:13:04
●MXaspmx3.googlemail.com2015-05-27 → 2026-03-31 · 2 obs
● 2026-03-31 09:13:04
○A104.28.0.1012015-05-27 → 2016-03-25 · 4 obs
● 2016-03-25 13:02:58
○ 2016-09-11 10:26:46
○ 2026-03-31 09:13:04
○A104.28.1.1012015-05-27 → 2016-03-25 · 4 obs
● 2016-03-25 13:02:58
○ 2016-09-11 10:26:46
○ 2026-03-31 09:13:04
○A104.28.18.772016-09-11 → 2018-06-02 · 5 obs
● 2016-09-11 10:26:46
● 2018-06-02 23:15:06
○ 2026-02-18 12:55:32
○ 2026-03-31 09:13:04
○A104.28.19.772016-09-11 → 2018-06-02 · 5 obs
● 2016-09-11 10:26:46
● 2018-06-02 23:15:06
○ 2026-02-18 12:55:32
○ 2026-03-31 09:13:04
●A142.93.40.292026-02-18 → 2026-03-31 · 3 obs
● 2026-02-18 12:55:32
● 2026-03-31 09:13:04
○A2400:cb00:2048:1::681c:124d2017-01-15 → 2018-06-02 · 5 obs
● 2017-01-15 18:42:14
● 2018-06-02 23:15:06
○ 2026-02-18 12:55:32
○ 2026-03-31 09:13:04
○A2400:cb00:2048:1::681c:134d2017-01-15 → 2018-06-02 · 5 obs
● 2017-01-15 18:42:14
● 2018-06-02 23:15:06
○ 2026-02-18 12:55:32
○ 2026-03-31 09:13:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net... | - |
| challengeengineeringworks.com | ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com | 4 records |
✅ Authoritative Response
Server:35.197.225.59
NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for challengeengineeringworks.com (unsigned zone)
⏱️ Timing
Total: 384ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.93.40.29 |
| NS | 4 | ns1.stackdns.com, ns4.stackdns.com... |
| MX | 5 | aspmx2.googlemail.com (pri: 30), alt1.aspmx.l.google.com (pri: 20)... |
| TXT | 2 | v=spf1 a include:spf.shotgunfront.net mx, google-site-verification=gXgEuRvE6ZiQDUK |
| SOA | 1 | ns1.stackdns.com hostmaster.stackdns.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com...)
Analysis
IP Addresses
challengeengineeringworks.com maps to IP address 142.93.40.29.
Other host names for instance millngate.com and templewealth.co.uk share IP numbers with challengeengineeringworks.com.
Name Servers
challengeengineeringworks.com is delegated to four name servers: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.
challengeengineeringworks.com at least partially shares name servers with other domains such as digililly.com, mycpanelaccess.com, consortium.org.uk, painton.co.uk and freedomchildcare.com.
Host names with one IP number:
ns1.stackdns.com points to: 35.197.225.59
ns2.stackdns.com points to: 146.148.28.88
ns3.stackdns.com points to: 35.198.79.191
ns4.stackdns.com points to: 104.196.137.209
Mail Servers
challengeengineeringworks.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
challengeengineeringworks.com shares mail servers with other domains at least in part, for instance ns500698.ns500759.ns500758.ns500698.ns500735.ns500735.ns500698.ns500735.ns500736.ns500576.ns500619.ns500576.ns500576.trackreceptor.com, ipug.wpengine.com, ns500758.ns500698.ns500758.ns500698.ns500698.ns500698.ns500698.ns500735.ns500736.ns500698.ns500736.ns500698.ns500698.ns500576.ns500698.ns500576.trackreceptor.com, ns500731.ns500754.ns500731.ns500742.ns500704.ns500671.ns500671.ns500671.ns500678.ns500671.ns500704.ns500678.ns500291.ns500666.tenderladiesbz.com and ns500698.ns500758.ns500758.ns500698.ns500698.ns500758.ns500735.ns500735.ns500735.ns500736.ns500736.ns500576.ns500708.ns500698.ns500619.trackreceptor.com.
These mail servers are often used together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Two IPs per host name:
aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27
aspmx3.googlemail.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.27
aspmx.l.google.com points to: 2607:f8b0:4004:c09::1b and 172.253.115.26
alt1.aspmx.l.google.com points to: 2a00:1450:4025:402::1b and 142.250.102.27
alt2.aspmx.l.google.com points to: 2a00:1450:4013:c1e::1b and 192.178.213.26
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)