tumath.dev - dns.ninja

`tumath.dev`

DNSSEC	⚠️ Not signed
A	13.226.238.83^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
		PTR	`server-13-226-238-83.iad61.r.cloudfront.net`
A	13.226.238.88^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.115^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.127^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
NS	`ns-857.awsdns-43.net` ⭐
		A	2600:9000:5303:5900::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-857.awsdns-43.net`
		A	205.251.195.89^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-857.awsdns-43.net`
NS	`ns-1394.awsdns-46.org`
		A	2600:9000:5305:7200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1394.awsdns-46.org`
		A	205.251.197.114^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1394.awsdns-46.org`
NS	`ns-1722.awsdns-23.co.uk`
		A	2600:9000:5306:ba00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1722.awsdns-23.co.uk`
		A	205.251.198.186^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1722.awsdns-23.co.uk`
NS	`ns-26.awsdns-03.com`
		A	2600:9000:5300:1a00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-26.awsdns-03.com`
		A	205.251.192.26^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-26.awsdns-03.com`
SOA	`ns-857.awsdns-43.net`awsdns-hostmaster@amazon.com serial=1

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

tumath.dev

tumath.com

Similar names

hatmut.com

thatum.ac.th

thamtu.us

thatum.go.th

tuhmat.org

hutmat.in

thumat.com

thamtu.net

matthu.at

utmath.org

muttha.com

DNS History

68 records (8 active, 60 former)

●NSns-1394.awsdns-46.org2026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 02:52:32
● 2026-08-07 15:19:28

●NSns-1722.awsdns-23.co.uk2026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 02:52:32
● 2026-08-07 15:19:28

●NSns-26.awsdns-03.com2026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 02:52:32
● 2026-08-07 15:19:28

●NSns-857.awsdns-43.net2026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 02:52:32
● 2026-08-07 15:19:28

○A108.138.26.1172026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 09:48:50
● 2026-05-29 14:28:46
○ 2026-05-29 23:39:42
○ 2026-08-07 15:19:28

○A108.138.26.292026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 09:48:50
● 2026-05-29 14:28:46
○ 2026-05-29 23:39:42
○ 2026-08-07 15:19:28

○A108.138.26.532026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 09:48:50
● 2026-05-29 14:28:46
○ 2026-05-29 23:39:42
○ 2026-08-07 15:19:28

○A108.138.26.642026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 09:48:50
● 2026-05-29 14:28:46
○ 2026-05-29 23:39:42
○ 2026-08-07 15:19:28

○A108.156.22.1072026-03-24 → 2026-08-05 · 19 obs

○ 2026-03-19 15:47:58
● 2026-03-24 05:55:30
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○A108.156.22.1092026-03-24 → 2026-08-05 · 19 obs

○A108.156.22.642026-03-24 → 2026-08-05 · 19 obs

○A108.156.22.862026-03-24 → 2026-08-05 · 19 obs

○A108.157.173.472026-03-31 → 2026-08-06 · 29 obs

○ 2026-03-25 19:49:26
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○A108.157.173.682026-03-31 → 2026-08-06 · 29 obs

○A108.157.173.872026-03-31 → 2026-08-06 · 29 obs

○A108.157.173.892026-03-31 → 2026-08-06 · 29 obs

●A13.226.238.1152026-02-16 → 2026-08-07 · 27 obs

○ 2026-02-16 02:52:32
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● 2026-02-16 21:46:32
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● 2026-08-07 15:19:28

●A13.226.238.1272026-02-16 → 2026-08-07 · 27 obs

●A13.226.238.832026-02-16 → 2026-08-07 · 27 obs

●A13.226.238.882026-02-16 → 2026-08-07 · 27 obs

○A13.33.153.472026-02-16 → 2026-04-22 · 24 obs

● 2026-02-16 02:52:32
● 2026-02-16 03:55:02
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○ 2026-08-07 15:19:28

○A13.33.153.752026-02-16 → 2026-04-22 · 24 obs

○A13.33.153.82026-02-16 → 2026-04-22 · 24 obs

○A13.33.153.852026-02-16 → 2026-04-22 · 24 obs

○A18.161.111.1262026-05-30 → 2026-06-03 · 16 obs

○ 2026-05-29 23:39:42
● 2026-05-30 15:50:54
○ 2026-05-31 02:48:36
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● 2026-06-03 11:11:54
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○ 2026-08-07 15:19:28

○A18.161.111.282026-05-30 → 2026-06-03 · 16 obs

○A18.161.111.742026-05-30 → 2026-06-03 · 16 obs

○A18.161.111.82026-05-30 → 2026-06-03 · 16 obs

○A18.161.21.1252026-04-21 → 2026-05-19 · 25 obs

○ 2026-04-21 21:04:08
● 2026-04-21 23:10:24
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○A18.161.21.162026-04-21 → 2026-05-19 · 25 obs

○A18.161.21.232026-04-21 → 2026-05-19 · 25 obs

○A18.161.21.902026-04-21 → 2026-05-19 · 25 obs

○A18.238.55.192026-04-09 → 2026-04-10 · 7 obs

○ 2026-04-09 12:32:22
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○A18.238.55.382026-04-09 → 2026-04-10 · 7 obs

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○A18.238.55.722026-04-09 → 2026-04-10 · 7 obs

○ 2026-04-09 12:32:22
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○A18.238.55.982026-04-09 → 2026-04-10 · 7 obs

○ 2026-04-09 12:32:22
● 2026-04-09 23:08:48
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○A18.239.208.1172026-06-01 → 2026-06-01 · 4 obs

○ 2026-06-01 10:46:36
● 2026-06-01 16:57:34
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○A18.239.208.352026-06-01 → 2026-06-01 · 4 obs

○ 2026-06-01 10:46:36
● 2026-06-01 16:57:34
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○A18.239.208.592026-06-01 → 2026-06-01 · 4 obs

○ 2026-06-01 10:46:36
● 2026-06-01 16:57:34
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○A18.239.208.672026-06-01 → 2026-06-01 · 4 obs

○ 2026-06-01 10:46:36
● 2026-06-01 16:57:34
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○ 2026-08-07 15:19:28

○A18.244.28.102026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 10:44:28
● 2026-07-25 22:38:54
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○A18.244.28.132026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 10:44:28
● 2026-07-25 22:38:54
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○ 2026-08-07 15:19:28

○A18.244.28.662026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 10:44:28
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○A18.244.28.702026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 10:44:28
● 2026-07-25 22:38:54
○ 2026-07-26 08:04:00
○ 2026-08-07 15:19:28

○A3.161.174.352026-04-09 → 2026-07-30 · 26 obs

○ 2026-04-08 00:38:12
● 2026-04-09 12:32:22
○ 2026-04-09 23:08:48
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○A3.161.174.372026-04-09 → 2026-07-30 · 26 obs

○A3.161.174.422026-04-09 → 2026-07-30 · 26 obs

○A3.161.174.672026-04-09 → 2026-07-30 · 26 obs

○A3.166.192.1132026-05-08 → 2026-08-03 · 25 obs

○ 2026-05-08 05:06:28
● 2026-05-08 18:49:10
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○A3.166.192.1232026-05-08 → 2026-08-03 · 25 obs

○A3.166.192.182026-05-08 → 2026-08-03 · 25 obs

○A3.166.192.992026-05-08 → 2026-08-03 · 25 obs

○A3.170.103.142026-05-19 → 2026-07-01 · 25 obs

○ 2026-05-19 13:08:14
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○A3.170.103.802026-05-19 → 2026-07-01 · 25 obs

○A3.170.103.92026-05-19 → 2026-07-01 · 25 obs

○A3.170.103.912026-05-19 → 2026-07-01 · 25 obs

○A99.84.215.1152026-02-17 → 2026-08-05 · 26 obs

○ 2026-02-16 21:46:32
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○A99.84.215.1252026-02-17 → 2026-08-05 · 26 obs

○A99.84.215.412026-02-17 → 2026-08-05 · 26 obs

○A99.84.215.452026-02-17 → 2026-08-05 · 26 obs

○A99.84.252.222026-08-07 → 2026-08-07 · 4 obs

○ 2026-08-06 23:35:00
● 2026-08-07 00:19:48
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○A99.84.252.452026-08-07 → 2026-08-07 · 4 obs

○ 2026-08-06 23:35:00
● 2026-08-07 00:19:48
○ 2026-08-07 07:54:52
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○A99.84.252.462026-08-07 → 2026-08-07 · 4 obs

○ 2026-08-06 23:35:00
● 2026-08-07 00:19:48
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○A99.84.252.862026-08-07 → 2026-08-07 · 4 obs

○ 2026-08-06 23:35:00
● 2026-08-07 00:19:48
○ 2026-08-07 07:54:52
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○A99.86.12.1152026-04-23 → 2026-07-15 · 26 obs

○ 2026-04-22 14:12:00
● 2026-04-23 02:31:10
● 2026-04-23 05:51:02
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● 2026-06-30 10:13:46
○ 2026-06-30 12:43:46
● 2026-07-15 02:59:50
○ 2026-07-15 04:32:00
○ 2026-08-07 15:19:28

○A99.86.12.1272026-04-23 → 2026-07-15 · 26 obs

○A99.86.12.682026-04-23 → 2026-07-15 · 26 obs

○A99.86.12.952026-04-23 → 2026-07-15 · 26 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
tumath.dev	ns-1722.awsdns-23.co.uk, ns-857.awsdns-43.net, ns-26.awsdns-03.com, ns-1394.awsdns-46.org	-

✅ Authoritative Response

Server:205.251.195.89

NS records: ns-1722.awsdns-23.co.uk, ns-857.awsdns-43.net, ns-26.awsdns-03.com, ns-1394.awsdns-46.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tumath.dev (unsigned zone)

⏱️ Timing

Total: 884ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.238.127, 13.226.238.83...`
NS	4	`ns-1394.awsdns-46.org, ns-1722.awsdns-23.co.uk...`
SOA	1	`ns-857.awsdns-43.net awsdns-hostmaster.a`

Analysis

IP Addresses

tumath.dev resolves to four IP addresses: 13.226.238.83, 13.226.238.88, 13.226.238.115 and 13.226.238.127.

Two other host names, along with jobsiwebdisk.jobs-webdisk.jobsawebdisk.jobsmwebdisk.jobsawebdisk.jobszwebdisk.jobsowebdisk.jobsnwebdisk.jobsdwebdisk.jobsdwebdisk.jobsvwebdisk.jobsiwebdisk.jobscwebdisk.jobsdwebdisk.jobsswebdisk.jobs.amazon.co.za, parking.orly-aeroport.fr and files.ekonsilio.io, also share IP numbers with tumath.dev.

Name Servers

The NS records for tumath.dev point to four name servers: ns-26.awsdns-03.com, ns-857.awsdns-43.net, ns-1394.awsdns-46.org and ns-1722.awsdns-23.co.uk.

tumath.dev partially shares its NS delegation with several other domains, including blockbrain.io, dkcvhchfh108.cloudfront.net, beclometeasyhaler.com and two others.

These name servers regularly co-occur with the name servers ns-874.awsdns-45.net, ns-1913.awsdns-47.co.uk and ns-1090.awsdns-08.org.

ns-26.awsdns-03.com, ns-857.awsdns-43.net, ns-1394.awsdns-46.org and ns-1722.awsdns-23.co.uk each carry two IP addresses. ns-26.awsdns-03.com has 205.251.192.26 and 2600:9000:5300:1a00::1; ns-857.awsdns-43.net has 205.251.195.89 and 2600:9000:5303:5900::1; ns-1394.awsdns-46.org has 205.251.197.114 and 2600:9000:5305:7200::1; ns-1722.awsdns-23.co.uk has 205.251.198.186 and 2600:9000:5306:ba00::1.