tech.co - robtex.com
tech.co
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=1759653922 | ||||||
rank #38 in the tld
this domain is "tech"WOT: SAFE (73/100)
📈 Tranco rank: #30,549
Subdomains
images.tech.co |
compare.tech.co |
startupmixology.tech.co |
sxsw.tech.co |
www.tech.co |
Same first word
Similar names
DNS History
42 records (13 active, 29 former)
○NSdean.ns.cloudflare.com2015-08-13 → 2021-01-18 · 4 obs
● 2021-01-18 09:21:58
○ 2021-06-11 04:01:04
○ 2026-05-09 14:07:26
○NSkristin.ns.cloudflare.com2015-08-13 → 2021-01-18 · 4 obs
● 2021-01-18 09:21:58
○ 2021-06-11 04:01:04
○ 2026-05-09 14:07:26
●NSns-1031.awsdns-00.org2026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 10:55:56
● 2026-05-09 14:07:26
○NSns-1137.awsdns-14.org2021-06-11 → 2021-06-11 · 4 obs
● 2021-06-11 04:01:04
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
○NSns-1822.awsdns-35.co.uk2021-06-11 → 2021-06-11 · 4 obs
● 2021-06-11 04:01:04
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
●NSns-1840.awsdns-38.co.uk2026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 10:55:56
● 2026-05-09 14:07:26
○NSns-330.awsdns-41.com2021-06-11 → 2021-06-11 · 4 obs
● 2021-06-11 04:01:04
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
●NSns-74.awsdns-09.com2026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 10:55:56
● 2026-05-09 14:07:26
●NSns-780.awsdns-33.net2026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 10:55:56
● 2026-05-09 14:07:26
○NSns-940.awsdns-53.net2021-06-11 → 2021-06-11 · 4 obs
● 2021-06-11 04:01:04
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
●MXalt1.aspmx.l.google.com2015-08-13 → 2026-05-09 · 2 obs
● 2026-05-09 14:07:26
●MXalt2.aspmx.l.google.com2015-08-13 → 2026-05-09 · 2 obs
● 2026-05-09 14:07:26
●MXaspmx.l.google.com2015-08-13 → 2026-05-09 · 2 obs
● 2026-05-09 14:07:26
●MXaspmx2.googlemail.com2015-08-13 → 2026-05-09 · 2 obs
● 2026-05-09 14:07:26
●MXaspmx3.googlemail.com2015-08-13 → 2026-05-09 · 2 obs
● 2026-05-09 14:07:26
○A104.24.28.52015-10-31 → 2016-12-12 · 5 obs
● 2015-10-31 00:33:54
● 2016-12-12 22:17:34
○ 2017-01-13 01:28:54
○ 2026-05-09 14:07:26
○A104.24.29.52015-10-31 → 2016-12-12 · 5 obs
● 2015-10-31 00:33:54
● 2016-12-12 22:17:34
○ 2017-01-13 01:28:54
○ 2026-05-09 14:07:26
○A104.25.192.152017-01-13 → 2018-03-08 · 5 obs
● 2017-01-13 01:28:54
● 2018-03-08 02:10:26
○ 2018-06-20 11:09:04
○ 2026-05-09 14:07:26
○A104.25.193.152017-01-13 → 2018-03-08 · 5 obs
● 2017-01-13 01:28:54
● 2018-03-08 02:10:26
○ 2018-06-20 11:09:04
○ 2026-05-09 14:07:26
○A108.162.200.792015-08-13 → 2015-09-08 · 4 obs
● 2015-09-08 04:52:56
○ 2015-10-31 00:33:54
○ 2026-05-09 14:07:26
○A141.101.127.782015-08-13 → 2015-09-08 · 4 obs
● 2015-09-08 04:52:56
○ 2015-10-31 00:33:54
○ 2026-05-09 14:07:26
○A151.101.10.2112018-06-20 → 2019-01-09 · 5 obs
● 2018-06-20 11:09:04
● 2019-01-09 09:30:34
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
●A151.101.130.2112019-11-15 → 2026-05-09 · 3 obs
● 2019-11-15 11:18:10
● 2026-05-09 14:07:26
○A151.101.18.2112019-01-03 → 2019-01-09 · 5 obs
● 2019-01-03 20:35:50
● 2019-01-09 09:30:34
○ 2019-11-15 11:18:10
○ 2026-05-09 14:07:26
○A151.101.190.2112018-06-20 → 2018-06-20 · 4 obs
● 2018-06-20 11:09:04
○ 2019-01-03 20:35:50
○ 2026-05-09 14:07:26
●A151.101.194.2112019-11-15 → 2026-05-09 · 3 obs
● 2019-11-15 11:18:10
● 2026-05-09 14:07:26
●A151.101.2.2112019-11-15 → 2026-05-09 · 3 obs
● 2019-11-15 11:18:10
● 2026-05-09 14:07:26
○A151.101.230.2112018-06-20 → 2019-01-09 · 5 obs
● 2018-06-20 11:09:04
● 2019-01-09 09:30:34
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
○A151.101.250.2112019-01-03 → 2019-01-09 · 5 obs
● 2019-01-03 20:35:50
● 2019-01-09 09:30:34
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
○A151.101.30.2112018-06-20 → 2019-01-09 · 5 obs
● 2018-06-20 11:09:04
● 2019-01-09 09:30:34
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
○A151.101.34.2112018-06-20 → 2018-06-20 · 4 obs
● 2018-06-20 11:09:04
○ 2019-01-03 20:35:50
○ 2026-05-09 14:07:26
○A151.101.42.2112019-01-03 → 2019-01-09 · 5 obs
● 2019-01-03 20:35:50
● 2019-01-09 09:30:34
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
○A151.101.54.2112018-06-20 → 2019-01-09 · 5 obs
● 2018-06-20 11:09:04
● 2019-01-09 09:30:34
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
○A151.101.62.2112018-06-20 → 2018-06-20 · 4 obs
● 2018-06-20 11:09:04
○ 2019-01-03 20:35:50
○ 2026-05-09 14:07:26
●A151.101.66.2112019-11-15 → 2026-05-09 · 3 obs
● 2019-11-15 11:18:10
● 2026-05-09 14:07:26
○A151.101.94.2112018-06-20 → 2019-01-09 · 5 obs
● 2018-06-20 11:09:04
● 2019-01-09 09:30:34
○ 2026-02-16 10:55:56
○ 2026-05-09 14:07:26
○A2400:cb00:2048:1::6818:1c052015-10-31 → 2016-12-12 · 5 obs
● 2015-10-31 00:33:54
● 2016-12-12 22:17:34
○ 2017-01-13 01:28:54
○ 2026-05-09 14:07:26
○A2400:cb00:2048:1::6818:1d052015-10-31 → 2016-12-12 · 5 obs
● 2015-10-31 00:33:54
● 2016-12-12 22:17:34
○ 2017-01-13 01:28:54
○ 2026-05-09 14:07:26
○A2400:cb00:2048:1::6819:c00f2017-01-13 → 2018-03-08 · 5 obs
● 2017-01-13 01:28:54
● 2018-03-08 02:10:26
○ 2018-06-20 11:09:04
○ 2026-05-09 14:07:26
○A2400:cb00:2048:1::6819:c10f2017-01-13 → 2018-03-08 · 5 obs
● 2017-01-13 01:28:54
● 2018-03-08 02:10:26
○ 2018-06-20 11:09:04
○ 2026-05-09 14:07:26
○A2400:cb00:2048:1::6ca2:c84f2015-08-13 → 2015-09-08 · 4 obs
● 2015-09-08 04:52:56
○ 2015-10-31 00:33:54
○ 2026-05-09 14:07:26
○A2400:cb00:2048:1::8d65:7f4e2015-08-13 → 2015-09-08 · 4 obs
● 2015-09-08 04:52:56
○ 2015-10-31 00:33:54
○ 2026-05-09 14:07:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| tech.co | ns-74.awsdns-09.com, ns-780.awsdns-33.net, ns-1031.awsdns-00.org, ns-1840.awsdns-38.co.uk | - |
✅ Authoritative Response
Server:205.251.196.7
NS records: ns-74.awsdns-09.com, ns-780.awsdns-33.net, ns-1031.awsdns-00.org, ns-1840.awsdns-38.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tech.co (unsigned zone)
⏱️ Timing
Total: 729ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 151.101.2.211, 151.101.194.211... |
| NS | 4 | ns-1031.awsdns-00.org, ns-1840.awsdns-38.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 3 | facebook-domain-verification=jfmjmka4umx, google-site-verification=wdrpmiDf11o7ayn... |
| SOA | 1 | ns-1840.awsdns-38.co.uk awsdns-hostmaste |
Analysis
Hierarchy
tech.co is parent of images.tech.co, compare.tech.co, startupmixology.tech.co, sxsw.tech.co and www.tech.co.
IP Addresses
tech.co maps to four IP numbers: 151.101.2.211, 151.101.66.211, 151.101.130.211 and 151.101.194.211.
Other host names, for instance compareencuestasonline.com.mx, theecoexperts.co.uk, homecarechoices.co.uk, educompare.com and deviscaissesenregistreuses.fr share IP numbers with tech.co.
Name Servers
tech.co is delegated to four name servers: ns-74.awsdns-09.com, ns-780.awsdns-33.net, ns-1031.awsdns-00.org and ns-1840.awsdns-38.co.uk.
tech.co at least partially shares name servers with other domains such as cremationsocietyaz.com, c.cdp-shopify-amer-prod.icebreaker.com, knicksd-league.com, apps.ts-digital-services.com and chunichi-hc.ne.jp.
These name servers are commonly used alongside ns-1918.awsdns-47.co.uk, ns-127.awsdns-15.com and ns-1056.awsdns-04.org.
Host names with two IP numbers:
ns-74.awsdns-09.com points to 2600:9000:5300:4a00::1 and 205.251.192.74
ns-780.awsdns-33.net points to 2600:9000:5303:c00::1 and 205.251.195.12
ns-1031.awsdns-00.org points to 2600:9000:5304:700::1 and 205.251.196.7
ns-1840.awsdns-38.co.uk points to 2600:9000:5307:3000::1 and 205.251.199.48
Mail Servers
tech.co 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.
tech.co shares mail servers with other domains at least in part, for instance ace-call.com, accounting-plus.co.nz, rage.hu, rotassec.com and ns500742.ns500671.ns500671.ns500731.ns500671.ns500731.ns500704.ns500704.ns500705.ns500671.ns500705.ns500688.ns500671.ns500666.tenderladiesbz.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:f8b0:4023:3003::1a and 172.253.145.26
aspmx.l.google.com points to: 2607:f8b0:4004:c23::1a and 142.251.167.27
alt1.aspmx.l.google.com points to: 2a00:1450:4025:402::1a and 142.250.102.27
alt2.aspmx.l.google.com points to: 2a00:1450:4013:c1e::1a and 192.178.213.27
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)