codecrafters.com - dns.ninja
codecrafters.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.16.179.155🇳🇱 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| PTR | mail.codecrafters.com | ||||||
| NS | ns1.livedns.co.uk ⭐ | ||||||
| A | 2001:8d8:fe:53:fa::1🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns1.slndns.co.uk | ||||||
| A | 217.160.81.244🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns1.livedns.co.uk | ||||||
| NS | ns2.livedns.co.uk | ||||||
| A | 2001:8d8:fe:53:fa::2🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns2.slndns.co.uk | ||||||
| A | 217.160.82.244🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns2.livedns.co.uk | ||||||
| NS | ns3.livedns.co.uk | ||||||
| A | 2607:f1c0:fe:53:185:132:35:244🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns3.livedns.co.uk | ||||||
| A | 185.132.35.244🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns3.livedns.co.uk | ||||||
| MX | mail.codecrafters.com ⭐ | ||||||
| A | 20.16.179.155🇳🇱 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| PTR | mail.codecrafters.com | ||||||
| TXT | v=spf1 mx include:spf.smtp2go.com ~all | ||||||
| TXT | google-site-verification=gh_onGgKOkdiAsQSMoWE1r9hgMmkQo6oSb06SBVnESw | ||||||
| SOA | ns1.livedns.co.ukadmin@codecrafters.com serial=1562282560 | ||||||
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=1782746776 | ||||||
Subdomains
mail.codecrafters.com |
Same first word
codecrafters.de |
codecrafters.tech |
codecrafters.io |
codecrafters.co |
codecrafters.com.hk |
codecrafters.us |
codecrafters.co.uk |
codecrafters.com |
codecrafters.org |
codecrafters.com.au |
Similar names
DNS History
9 records (5 active, 4 former)
●NSns1.livedns.co.uk2015-05-14 → 2026-06-29 · 2 obs
● 2026-06-29 15:41:28
●NSns2.livedns.co.uk2015-05-14 → 2026-06-29 · 2 obs
● 2026-06-29 15:41:28
●NSns3.livedns.co.uk2015-05-14 → 2026-06-29 · 2 obs
● 2026-06-29 15:41:28
●MXmail.codecrafters.com2015-05-14 → 2026-06-29 · 2 obs
● 2026-06-29 15:41:28
○A191.237.67.1802015-05-14 → 2016-03-20 · 4 obs
● 2016-03-20 22:16:42
○ 2017-02-05 04:15:50
○ 2026-06-29 15:41:28
●A20.16.179.1552026-06-29 → 2026-06-29 · 3 obs
● 2026-06-29 02:57:16
● 2026-06-29 15:41:28
○A4.156.152.1582026-05-12 → 2026-05-12 · 4 obs
● 2026-05-12 08:41:30
○ 2026-06-29 02:57:16
○ 2026-06-29 15:41:28
○A40.112.61.2162017-02-05 → 2019-01-02 · 5 obs
● 2017-02-05 04:15:50
● 2019-01-02 17:16:56
○ 2026-05-12 08:41:30
○ 2026-06-29 15:41:28
○A40.121.67.162026-05-12 → 2026-06-29 · 2 obs
○ 2026-06-29 15:41:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| codecrafters.com | ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk | - |
✅ Authoritative Response
Server:217.160.81.244
NS records: ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codecrafters.com (unsigned zone)
⏱️ Timing
Total: 268ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.16.179.155 |
| NS | 3 | ns3.livedns.co.uk, ns2.livedns.co.uk... |
| MX | 1 | mail.codecrafters.com (pri: 5) |
| TXT | 2 | v=spf1 mx include:spf.smtp2go.com ~all, google-site-verification=gh_onGgKOkdiAsQ |
| SOA | 1 | ns1.livedns.co.uk admin.codecrafters.com |
Analysis
Hierarchy
codecrafters.com serves as the parent of mail.codecrafters.com.
IP Addresses
codecrafters.com points to a single IP number: 20.16.179.155.
codecrafters.com shares its IP numbers with other host names like abilityftpserver.com, code-crafters.com and mail.codecrafters.com.
Name Servers
DNS for codecrafters.com is handled by three authoritative name servers: ns1.livedns.co.uk, ns2.livedns.co.uk and ns3.livedns.co.uk.
codecrafters.com has at least partial name server overlap with other domains, such as rtmac.com, danny-johnson.co.uk, intimex.org and two others.
It is common to see these name servers used together with name servers ns1.fast-hosts.org and ns2.fast-hosts.org.
Three hostnames — ns1.livedns.co.uk, ns2.livedns.co.uk and ns3.livedns.co.uk — each have two IP addresses: ns1.livedns.co.uk has 217.160.81.244 and 2001:8d8:fe:53:fa::1, ns2.livedns.co.uk has 217.160.82.244 and 2001:8d8:fe:53:fa::2, and ns3.livedns.co.uk has 185.132.35.244 and 2607:f1c0:fe:53:185:132:35:244.
Mail Servers
codecrafters.com has one mail server: mail.codecrafters.com.
codecrafters.com shares its mail server configuration with other domains such as codecrafters.co.uk, abilityftpserver.com and code-crafters.com.
mail.codecrafters.com has exactly one IP number: 20.16.179.155.