firststring.co - robtex.com
firststring.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns55.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21b2::1c🇺🇸 GODADDY-DNS2603:5:21b0::/44 | ||||||
| PTR | ns55.domaincontrol.com | ||||||
| A | 97.74.107.28🇺🇸 GODADDY-DNS97.74.106.0/23 | ||||||
| PTR | ns55.domaincontrol.com | ||||||
| NS | ns56.domaincontrol.com | ||||||
| A | 2603:5:22b2::1c🇺🇸 GODADDY-DNS2603:5:22b0::/44 | ||||||
| PTR | ns56.domaincontrol.com | ||||||
| A | 173.201.75.28🇺🇸 GODADDY-DNS173.201.74.0/23 | ||||||
| PTR | ns56.domaincontrol.com | ||||||
| SOA | ns55.domaincontrol.comdns@jomax.net 2026-01-30 #0 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759767899 | ||||||
Same first word
firststring.co |
firststring.app |
firststring.us |
firststring.dev |
firststring.shop |
firststring.ru |
firststring.biz |
firststring.ai |
firststring.io |
Previous names
Next names
DNS History
12 records (4 active, 8 former)
○NSdns1.name-services.com2015-08-05 → 2016-06-29 · 4 obs
● 2016-06-29 12:11:34
○ 2018-12-11 22:22:50
○ 2026-09-27 14:01:36
○NSdns2.name-services.com2015-08-05 → 2016-06-29 · 4 obs
● 2016-06-29 12:11:34
○ 2018-12-11 22:22:50
○ 2026-09-27 14:01:36
○NSdns3.name-services.com2015-08-05 → 2016-06-29 · 4 obs
● 2016-06-29 12:11:34
○ 2018-12-11 22:22:50
○ 2026-09-27 14:01:36
○NSdns4.name-services.com2015-08-05 → 2016-06-29 · 4 obs
● 2016-06-29 12:11:34
○ 2018-12-11 22:22:50
○ 2026-09-27 14:01:36
○NSdns5.name-services.com2015-08-05 → 2016-06-29 · 4 obs
● 2016-06-29 12:11:34
○ 2018-12-11 22:22:50
○ 2026-09-27 14:01:36
●NSns55.domaincontrol.com2026-09-07 → 2026-09-27 · 3 obs
● 2026-09-07 10:29:46
● 2026-09-27 14:01:36
●NSns56.domaincontrol.com2026-09-07 → 2026-09-27 · 3 obs
● 2026-09-07 10:29:46
● 2026-09-27 14:01:36
○MXp.nsm.ctmail.com2015-08-05 → 2016-03-06 · 4 obs
● 2016-03-06 11:24:28
○ 2016-06-29 12:11:34
○ 2026-09-27 14:01:36
●A15.197.148.332026-09-07 → 2026-09-27 · 3 obs
● 2026-09-07 10:29:46
● 2026-09-27 14:01:36
●A3.33.130.1902026-09-07 → 2026-09-27 · 3 obs
● 2026-09-07 10:29:46
● 2026-09-27 14:01:36
○A64.74.223.312015-08-05 → 2015-11-21 · 4 obs
● 2015-11-21 21:05:46
○ 2016-03-06 11:24:28
○ 2026-09-27 14:01:36
○A98.124.243.312016-03-06 → 2016-06-29 · 5 obs
● 2016-03-06 11:24:28
● 2016-06-29 12:11:34
○ 2018-12-11 22:22:50
○ 2026-09-27 14:01:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | 8 records |
| firststring.co | ns55.domaincontrol.com, ns56.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.107.28
NS records: ns55.domaincontrol.com, ns56.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firststring.co (unsigned zone)
⏱️ Timing
Total: 1962ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns55.domaincontrol.com, ns56.domaincontrol.com |
| SOA | 1 | ns55.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.registrydns.co, a.registrydns.co, b.registrydns.co...)
Analysis
IP Addresses
firststring.co has two IP addresses: 3.33.130.190 and 15.197.148.33
peacemakertradingcompany.com, veefoxart.de, thedelvalles.com and two other host names share IP numbers with firststring.co.
Name Servers
firststring.co has two authoritative name servers — ns55.domaincontrol.com and ns56.domaincontrol.com.
firststring.co uses the same name servers as several other domains — among them whiskeyrivercustoms.com, fg.solutions, saudihematology-events.org and two more.
Both ns55.domaincontrol.com and ns56.domaincontrol.com have two IP addresses each. ns55.domaincontrol.com resolves to 97.74.107.28 and 2603:5:21b2::1c; ns56.domaincontrol.com resolves to 173.201.75.28 and 2603:5:22b2::1c.