certua.io - robtex.com

certua.io

DNSSEC⚠️ Not signed
A108.138.64.8🇺🇸 Amazon108.138.64.0/21
PTRserver-108-138-64-8.iad12.r.cloudfront.net
A108.138.64.14🇺🇸 Amazon108.138.64.0/21
A108.138.64.71🇺🇸 Amazon108.138.64.0/21
A108.138.64.87🇺🇸 Amazon108.138.64.0/21
NSns-833.awsdns-40.net ⭐
A2600:9000:5303:4100::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-833.awsdns-40.net
A205.251.195.65🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-833.awsdns-40.net
NSns-1473.awsdns-56.org
A2600:9000:5305:c100::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1473.awsdns-56.org
A205.251.197.193🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1473.awsdns-56.org
NSns-1694.awsdns-19.co.uk
A2600:9000:5306:9e00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1694.awsdns-19.co.uk
A205.251.198.158🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1694.awsdns-19.co.uk
NSns-483.awsdns-60.com
A2600:9000:5301:e300::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-483.awsdns-60.com
A205.251.193.227🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-483.awsdns-60.com
MXcertua-io.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::b🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca04::f🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::5🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am1pr04cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca09::20🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00400.inbound.protection.outlook.com
A52.101.68.10🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.68.16🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.73.4🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr83cu00404.inbound.protection.outlook.com
A52.101.73.19🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr04cu00803.inbound.protection.outlook.com
TXTaccess-domain-verification=c030545ce2425abefffb1c359957a0e37fc9b362859d8b1602...
TXTgoogle-site-verification=MUWZGsDYFQVTiOatHLpRwWbJ-sNaZyrNKytM11y0LSo
TXTgoogle-site-verification=xYct8a7Uq1GcPQLw1zR6CZffk_3G8QtpGtIQ8qbOjzk
TXTv=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:sp...
SOAns-833.awsdns-40.netawsdns-hostmaster@amazon.com serial=1

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐ 🔒
NSa2.nic.io 🔒
NSb0.nic.io 🔒
NSc0.nic.io 🔒
SOAa0.nic.iohostmaster@donuts.email serial=1771291657

Subdomains

cdn.certua.io
www.certua.io

Same first word

certua.io

Similar names

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cureta.jp
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tecura.se

DNS History

21 records (9 active, 12 former)

202120222023202420252026NSns-1473.awsdns-56.orgns-1694.awsdns-19.co.ukns-483.awsdns-60.comns-833.awsdns-40.netMXcertua-io.mail.protection.outlook.com35.177.18.25452.213.70.1052.48.32.138A108.138.64.14108.138.64.71108.138.64.8108.138.64.8718.164.154.11018.164.154.1818.164.154.6718.164.154.8618.244.179.10518.244.179.4718.244.179.5718.244.179.8452.95.148.47
●NSns-1473.awsdns-56.org2020-02-26 → 2026-03-01 · 2 obs
● 2020-02-26 22:21:50
● 2026-03-01 20:08:02
●NSns-1694.awsdns-19.co.uk2020-02-26 → 2026-03-01 · 2 obs
● 2020-02-26 22:21:50
● 2026-03-01 20:08:02
●NSns-483.awsdns-60.com2020-02-26 → 2026-03-01 · 2 obs
● 2020-02-26 22:21:50
● 2026-03-01 20:08:02
●NSns-833.awsdns-40.net2020-02-26 → 2026-03-01 · 2 obs
● 2020-02-26 22:21:50
● 2026-03-01 20:08:02
○MX35.177.18.2542020-02-26 → 2020-02-26 · 3 obs
● 2020-02-26 22:21:50
○ 2026-02-19 13:04:22
○ 2026-03-01 20:08:02
○MX52.213.70.102020-02-26 → 2020-02-26 · 3 obs
● 2020-02-26 22:21:50
○ 2026-02-19 13:04:22
○ 2026-03-01 20:08:02
○MX52.48.32.1382020-02-26 → 2020-02-26 · 3 obs
● 2020-02-26 22:21:50
○ 2026-02-19 13:04:22
○ 2026-03-01 20:08:02
●MXcertua-io.mail.protection.outlook.com2020-02-26 → 2026-03-01 · 2 obs
● 2020-02-26 22:21:50
● 2026-03-01 20:08:02
●A108.138.64.142026-02-27 → 2026-03-01 · 6 obs
○ 2026-02-25 06:41:54
● 2026-02-27 16:05:58
○ 2026-02-28 16:02:42
○ 2026-02-28 23:35:56
● 2026-03-01 06:03:28
● 2026-03-01 20:08:02
●A108.138.64.712026-02-27 → 2026-03-01 · 6 obs
○ 2026-02-25 06:41:54
● 2026-02-27 16:05:58
○ 2026-02-28 16:02:42
○ 2026-02-28 23:35:56
● 2026-03-01 06:03:28
● 2026-03-01 20:08:02
●A108.138.64.82026-02-27 → 2026-03-01 · 6 obs
○ 2026-02-25 06:41:54
● 2026-02-27 16:05:58
○ 2026-02-28 16:02:42
○ 2026-02-28 23:35:56
● 2026-03-01 06:03:28
● 2026-03-01 20:08:02
●A108.138.64.872026-02-27 → 2026-03-01 · 6 obs
○ 2026-02-25 06:41:54
● 2026-02-27 16:05:58
○ 2026-02-28 16:02:42
○ 2026-02-28 23:35:56
● 2026-03-01 06:03:28
● 2026-03-01 20:08:02
○A18.164.154.1102026-02-19 → 2026-02-28 · 11 obs
○ 2020-02-26 22:21:50
● 2026-02-19 13:04:22
● 2026-02-24 05:53:40
○ 2026-02-24 15:04:46
● 2026-02-25 06:41:54
○ 2026-02-27 16:05:58
● 2026-02-28 16:02:42
○ 2026-02-28 21:18:00
● 2026-02-28 23:35:56
○ 2026-03-01 06:03:28
○ 2026-03-01 20:08:02
○A18.164.154.182026-02-19 → 2026-02-28 · 11 obs
○ 2020-02-26 22:21:50
● 2026-02-19 13:04:22
● 2026-02-24 05:53:40
○ 2026-02-24 15:04:46
● 2026-02-25 06:41:54
○ 2026-02-27 16:05:58
● 2026-02-28 16:02:42
○ 2026-02-28 21:18:00
● 2026-02-28 23:35:56
○ 2026-03-01 06:03:28
○ 2026-03-01 20:08:02
○A18.164.154.672026-02-19 → 2026-02-28 · 11 obs
○ 2020-02-26 22:21:50
● 2026-02-19 13:04:22
● 2026-02-24 05:53:40
○ 2026-02-24 15:04:46
● 2026-02-25 06:41:54
○ 2026-02-27 16:05:58
● 2026-02-28 16:02:42
○ 2026-02-28 21:18:00
● 2026-02-28 23:35:56
○ 2026-03-01 06:03:28
○ 2026-03-01 20:08:02
○A18.164.154.862026-02-19 → 2026-02-28 · 11 obs
○ 2020-02-26 22:21:50
● 2026-02-19 13:04:22
● 2026-02-24 05:53:40
○ 2026-02-24 15:04:46
● 2026-02-25 06:41:54
○ 2026-02-27 16:05:58
● 2026-02-28 16:02:42
○ 2026-02-28 21:18:00
● 2026-02-28 23:35:56
○ 2026-03-01 06:03:28
○ 2026-03-01 20:08:02
○A18.244.179.1052026-02-24 → 2026-02-28 · 7 obs
○ 2026-02-24 05:53:40
● 2026-02-24 15:04:46
○ 2026-02-25 06:41:54
○ 2026-02-28 16:02:42
● 2026-02-28 21:18:00
○ 2026-02-28 23:35:56
○ 2026-03-01 20:08:02
○A18.244.179.472026-02-24 → 2026-02-28 · 7 obs
○ 2026-02-24 05:53:40
● 2026-02-24 15:04:46
○ 2026-02-25 06:41:54
○ 2026-02-28 16:02:42
● 2026-02-28 21:18:00
○ 2026-02-28 23:35:56
○ 2026-03-01 20:08:02
○A18.244.179.572026-02-24 → 2026-02-28 · 7 obs
○ 2026-02-24 05:53:40
● 2026-02-24 15:04:46
○ 2026-02-25 06:41:54
○ 2026-02-28 16:02:42
● 2026-02-28 21:18:00
○ 2026-02-28 23:35:56
○ 2026-03-01 20:08:02
○A18.244.179.842026-02-24 → 2026-02-28 · 7 obs
○ 2026-02-24 05:53:40
● 2026-02-24 15:04:46
○ 2026-02-25 06:41:54
○ 2026-02-28 16:02:42
● 2026-02-28 21:18:00
○ 2026-02-28 23:35:56
○ 2026-03-01 20:08:02
○A52.95.148.472020-02-26 → 2020-02-26 · 3 obs
● 2020-02-26 22:21:50
○ 2026-02-19 13:04:22
○ 2026-03-01 20:08:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
certua.ions-833.awsdns-40.net, ns-1473.awsdns-56.org, ns-1694.awsdns-19.co.uk, ns-483.awsdns-60.com-

✅ Authoritative Response

Server: 205.251.193.227

NS records: ns-833.awsdns-40.net, ns-1473.awsdns-56.org, ns-1694.awsdns-19.co.uk, ns-483.awsdns-60.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certua.io (unsigned zone)

⏱️ Timing

Total: 419ms | Queries: -

📄 Records

TypeCountSample Data
A4108.138.64.8, 108.138.64.87...
NS4ns-1473.awsdns-56.org, ns-1694.awsdns-19.co.uk...
MX1certua-io.mail.protection.outlook.com (p
TXT4access-domain-verification=c030545ce2425, google-site-verification=MUWZGsDYFQVTiOa...
SOA1ns-833.awsdns-40.net awsdns-hostmaster.a

Analysis

Hierarchy

certua.io is parent of cdn.certua.io and www.certua.io.

IP Addresses

certua.io resolves to four IP numbers: 108.138.64.8, 108.138.64.14, 108.138.64.71 and 108.138.64.87.

other host names for instance mytransactrx.net, register-cme.com, my.gigg.com, www.brandnara.co.kr and static.allianzrva.com share IP numbers with certua.io.

Name Servers

certua.io is delegated to four name servers: ns-483.awsdns-60.com, ns-833.awsdns-40.net, ns-1473.awsdns-56.org and ns-1694.awsdns-19.co.uk.

certua.io at least partially shares name servers with other domains, for instance di5flw8eumhfm.cloudfront.net, planningpod.com, recruit-job-up.com, netspromos.com and progresscompany.org.

Host names with two IP numbers:

Host name ns-483.awsdns-60.com points to: 2600:9000:5301:e300::1 and 205.251.193.227.

Host name ns-833.awsdns-40.net points to: 2600:9000:5303:4100::1 and 205.251.195.65.

Host name ns-1473.awsdns-56.org points to: 2600:9000:5305:c100::1 and 205.251.197.193.

Host name ns-1694.awsdns-19.co.uk points to: 2600:9000:5306:9e00::1 and 205.251.198.158.

Mail Servers

certua.io is handled by a single mail server, certua-io.mail.protection.outlook.com.

Host name certua-io.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::20, 52.101.68.10, 52.101.68.16, 52.101.73.4 and 52.101.73.19.