github.co - robtex.com
github.co
| DNSSEC | β οΈ Not signed | ||||||
| A | 20.119.0.28πΊπΈ Microsoft20.64.0.0/10 | ||||||
| A | 40.112.243.53πΊπΈ Microsoft40.112.0.0/13 | ||||||
| NS | ns1-37.azure-dns.com β | ||||||
| A | 2603:1061:0:10::25πΊπΈ Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-37.azure-dns.com | ||||||
| A | 150.171.10.37πΊπΈ Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns1-37.azure-dns.com | ||||||
| NS | ns2-37.azure-dns.net | ||||||
| A | 2620:1ec:8ec:10::25πΊπΈ Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-37.azure-dns.net | ||||||
| A | 150.171.16.37πΊπΈ Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-37.azure-dns.net | ||||||
| NS | ns3-37.azure-dns.org | ||||||
| A | 2a01:111:4000:10::25π¬π§ Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-37.azure-dns.org | ||||||
| A | 13.107.222.37πΊπΈ Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns3-37.azure-dns.org | ||||||
| NS | ns4-37.azure-dns.info | ||||||
| A | 2620:1ec:bda:10::25πΊπΈ Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-37.azure-dns.info | ||||||
| A | 13.107.206.37πΊπΈ Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns4-37.azure-dns.info | ||||||
| SOA | ns1-37.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
co
| DNSSEC | π Signed (DS record present) | ||||||
| NS | ns0.centralnic.net β | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759641406 | ||||||
rank #820 in the tld
WOT: SAFE (35/100)
π Tranco rank: #728,381
Same first word
Similar names
DNS History
18 records (6 active, 12 former)
βNSdns1.p07.nsone.net2021-03-13 β 2021-03-13 Β· 4 obs
β 2021-03-13 23:32:18
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βNSdns2.p07.nsone.net2021-03-13 β 2021-03-13 Β· 4 obs
β 2021-03-13 23:32:18
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βNSdns3.p07.nsone.net2021-03-13 β 2021-03-13 Β· 4 obs
β 2021-03-13 23:32:18
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βNSdns4.p07.nsone.net2021-03-13 β 2021-03-13 Β· 4 obs
β 2021-03-13 23:32:18
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βNSns1-37.azure-dns.com2026-02-17 β 2026-04-23 Β· 3 obs
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βNSns1.bodis.com2015-06-19 β 2017-07-02 Β· 4 obs
β 2017-07-02 21:20:02
β 2021-03-13 23:32:18
β 2026-04-23 21:52:02
βNSns2-37.azure-dns.net2026-02-17 β 2026-04-23 Β· 3 obs
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βNSns2.bodis.com2015-06-19 β 2017-07-02 Β· 4 obs
β 2017-07-02 21:20:02
β 2021-03-13 23:32:18
β 2026-04-23 21:52:02
βNSns3-37.azure-dns.org2026-02-17 β 2026-04-23 Β· 3 obs
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βNSns4-37.azure-dns.info2026-02-17 β 2026-04-23 Β· 3 obs
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βMXmx76.m2bp.com2017-07-02 β 2017-07-02 Β· 3 obs
β 2021-03-13 23:32:18
β 2026-04-23 21:52:02
βMXmx76.mb1p.com2017-07-02 β 2017-07-02 Β· 3 obs
β 2021-03-13 23:32:18
β 2026-04-23 21:52:02
βA199.59.242.1502017-07-02 β 2017-07-02 Β· 4 obs
β 2017-07-02 21:20:02
β 2021-03-13 23:32:18
β 2026-04-23 21:52:02
βA199.59.243.1202015-06-19 β 2016-11-15 Β· 4 obs
β 2016-11-15 16:57:02
β 2017-07-02 21:20:02
β 2026-04-23 21:52:02
βA20.119.0.282026-02-17 β 2026-04-23 Β· 3 obs
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βA40.112.243.532026-02-17 β 2026-04-23 Β· 3 obs
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βA67.199.248.122021-03-13 β 2021-03-13 Β· 4 obs
β 2021-03-13 23:32:18
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
βA67.199.248.132021-03-13 β 2021-03-13 Β· 4 obs
β 2021-03-13 23:32:18
β 2026-02-17 06:34:42
β 2026-04-23 21:52:02
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| github.co | ns2-37.azure-dns.net, ns1-37.azure-dns.com, ns4-37.azure-dns.info, ns3-37.azure-dns.org | - |
β Authoritative Response
Server:13.107.206.37
NS records: ns2-37.azure-dns.net, ns1-37.azure-dns.com, ns4-37.azure-dns.info, ns3-37.azure-dns.org
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for github.co (unsigned zone)
β±οΈ Timing
Total: 571ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 40.112.243.53, 20.119.0.28 |
| NS | 4 | ns1-37.azure-dns.com, ns2-37.azure-dns.net... |
| SOA | 1 | ns1-37.azure-dns.com azuredns-hostmaster |
Analysis
IP Addresses
github.co resolves to two IP numbers: 20.119.0.28 and 40.112.243.53.
Other host names, for instance ssflavors.com, gregbclement.com, fairplayams.com.au, waws-prod-blu-393-1304.eastus.cloudapp.azure.com and yakovvinkovetsky.com share IP numbers with github.co.
Name Servers
github.co's delegation is handled by four name servers: ns1-37.azure-dns.com, ns4-37.azure-dns.info, ns2-37.azure-dns.net and ns3-37.azure-dns.org.
github.co partially shares name servers with other domains; examples include pizzahutvoicerus.com, thorsonchemical.com, ingress.wus2.microsoft-falcon.net, alektuminkasso.com and rawlplug.ie.
Host names with two IPs:
ns1-37.azure-dns.com points to 2603:1061:0:10::25 and 150.171.10.37
ns4-37.azure-dns.info points to 2620:1ec:bda:10::25 and 13.107.206.37
ns2-37.azure-dns.net points to 2620:1ec:8ec:10::25 and 150.171.16.37
ns3-37.azure-dns.org points to 2a01:111:4000:10::25 and 13.107.222.37