stedu.com - dns.ninja

`stedu.com`

DNSSEC	⚠️ Not signed
A	2600:3c03::f03c:95ff:fe00:29ca^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:fe91:5d52^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:4d4f^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:cf2a^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	45.33.83.100^{🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies} ✓ In HTTPS hints
A	45.79.167.180^{🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies} ✓ In HTTPS hints
A	66.175.209.179^{🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies} ✓ In HTTPS hints
A	96.126.111.165^{🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies} ✓ In HTTPS hints
NS	`damao.ns.giantpanda.com` ⭐
		A	3.33.232.36^{🇺🇸 Amazon3.33.224.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
NS	`yangguang.ns.giantpanda.com`
		A	75.2.45.63^{🇺🇸 Amazon75.2.32.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
MX	`mail.mailerhost.net` ⭐
		A	5.161.133.13^{🇺🇸 HETZNER-CLOUD2-AS5.161.133.0/24}
			PTR	`mail.mailerhost.net`
		A	161.35.84.83^{🇳🇱 DIGITALOCEAN161.35.80.0/20 DigitalOcean}
			PTR	`mail.mailerhost.net`
TXT	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
HTTPS	HTTP/2, HTTP/3 ✓ hints match
		IPv4 hints	66.175.209.179, 45.33.83.100, 45.79.167.180, 96.126.111.165
		IPv6 hints	2600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:fe91:5d52
SOA	`damao.ns.giantpanda.com`admin@giantpanda.com 2013-02-04 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785330872

Subdomains

www.stedu.com

Same first word

stedu.de

stedu.net

stedu.edu.vn

stedu.ro

stedu.gov.cn

stedu.com

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uetds.com.tr

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esutd.gov.kz

uetds.net

usted.com

stued.io

duets.nhs.uk

deuts.org

DNS History

35 records (11 active, 24 former)

○NSbuy.internettraffic.com2015-08-22 → 2016-07-02 · 7 obs

● 2015-08-22 11:28:16
● 2015-10-19 00:34:18
○ 2016-01-03 04:08:08
● 2016-04-03 00:09:48
● 2016-07-02 00:59:46
○ 2016-09-20 20:01:20
○ 2026-07-29 13:23:44

●NSdamao.ns.giantpanda.com2026-03-03 → 2026-07-29 · 3 obs

○ 2018-01-03 05:16:52
● 2026-03-03 18:51:56
● 2026-07-29 13:23:44

○NSns.buydomains.com2016-01-03 → 2016-01-03 · 4 obs

○ 2015-10-19 00:34:18
● 2016-01-03 04:08:08
○ 2016-04-03 00:09:48
○ 2026-07-29 13:23:44

○NSns1.uniregistrymarket.link2016-09-20 → 2018-01-03 · 5 obs

○ 2016-07-02 00:59:46
● 2016-09-20 20:01:20
● 2018-01-03 05:16:52
○ 2026-03-03 18:51:56
○ 2026-07-29 13:23:44

○NSns2.uniregistrymarket.link2016-09-20 → 2018-01-03 · 5 obs

○ 2016-07-02 00:59:46
● 2016-09-20 20:01:20
● 2018-01-03 05:16:52
○ 2026-03-03 18:51:56
○ 2026-07-29 13:23:44

○NSsell.internettraffic.com2015-08-22 → 2016-07-02 · 7 obs

● 2015-08-22 11:28:16
● 2015-10-19 00:34:18
○ 2016-01-03 04:08:08
● 2016-04-03 00:09:48
● 2016-07-02 00:59:46
○ 2016-09-20 20:01:20
○ 2026-07-29 13:23:44

●NSyangguang.ns.giantpanda.com2026-03-03 → 2026-07-29 · 3 obs

○ 2018-01-03 05:16:52
● 2026-03-03 18:51:56
● 2026-07-29 13:23:44

●MXmail.mailerhost.net2026-03-03 → 2026-07-29 · 2 obs

● 2026-03-03 18:51:56
● 2026-07-29 13:23:44

○A139.162.174.2092026-03-04 → 2026-06-18 · 20 obs

○ 2026-03-03 18:51:56
● 2026-03-04 06:59:20
● 2026-03-06 12:22:42
○ 2026-03-07 00:21:24
● 2026-03-07 13:15:00
○ 2026-03-11 12:24:56
○ 2026-03-11 13:02:28
● 2026-03-11 13:52:00
● 2026-04-05 18:38:42
○ 2026-04-15 21:12:48
○ 2026-04-16 21:08:44
● 2026-04-16 22:28:04
● 2026-04-23 11:11:54
○ 2026-04-23 21:12:04
○ 2026-04-25 05:01:32
● 2026-04-25 18:29:52
○ 2026-06-12 04:44:18
● 2026-06-18 06:04:46
○ 2026-07-29 13:23:42
○ 2026-07-29 13:23:44

○A139.162.181.762026-03-04 → 2026-06-18 · 20 obs

○A141.8.225.1242016-01-03 → 2016-01-03 · 4 obs

○ 2015-10-19 00:34:18
● 2016-01-03 04:08:08
○ 2016-04-03 00:09:48
○ 2026-07-29 13:23:44

○A172.104.149.862026-03-04 → 2026-06-18 · 20 obs

○A172.104.203.1862026-03-04 → 2026-06-18 · 20 obs

○A172.104.251.1982026-03-04 → 2026-06-18 · 20 obs

○A192.155.84.2362026-06-12 → 2026-06-12 · 4 obs

○ 2026-04-25 18:29:52
● 2026-06-12 04:44:18
○ 2026-06-18 06:04:46
○ 2026-07-29 13:23:44

○A23.239.4.932026-06-12 → 2026-06-12 · 4 obs

○ 2026-04-25 18:29:52
● 2026-06-12 04:44:18
○ 2026-06-18 06:04:46
○ 2026-07-29 13:23:44

○A2600:3c01::2000:3aff:feb3:2e942026-06-12 → 2026-06-12 · 4 obs

○ 2026-04-25 18:29:52
● 2026-06-12 04:44:18
○ 2026-06-18 06:04:46
○ 2026-07-29 13:23:44

○A2600:3c01::f03c:95ff:fe91:5de52026-06-12 → 2026-06-12 · 4 obs

○ 2026-04-25 18:29:52
● 2026-06-12 04:44:18
○ 2026-06-18 06:04:46
○ 2026-07-29 13:23:44

○A2600:3c01::f03c:95ff:feeb:5ed62026-06-12 → 2026-06-12 · 4 obs

○ 2026-04-25 18:29:52
● 2026-06-12 04:44:18
○ 2026-06-18 06:04:46
○ 2026-07-29 13:23:44

●A2600:3c03::f03c:95ff:fe00:29ca2026-04-15 → 2026-07-29 · 11 obs

○ 2026-04-05 18:38:42
● 2026-04-15 21:12:48
● 2026-04-16 21:08:44
○ 2026-04-16 22:28:04
○ 2026-04-23 11:11:54
● 2026-04-23 21:12:04
● 2026-04-25 05:01:32
○ 2026-04-25 18:29:52
○ 2026-06-18 06:04:46
● 2026-07-29 13:23:42
● 2026-07-29 13:23:44

●A2600:3c03::f03c:95ff:fe91:5d522026-03-03 → 2026-07-29 · 20 obs

○ 2018-01-03 05:16:52
● 2026-03-03 18:51:56
○ 2026-03-04 06:59:20
○ 2026-03-06 12:22:42
● 2026-03-07 00:21:24
○ 2026-03-07 13:15:00
● 2026-03-11 12:24:56
● 2026-03-11 13:02:28
○ 2026-03-11 13:52:00
○ 2026-04-05 18:38:42
● 2026-04-15 21:12:48
● 2026-04-16 21:08:44
○ 2026-04-16 22:28:04
○ 2026-04-23 11:11:54
● 2026-04-23 21:12:04
● 2026-04-25 05:01:32
○ 2026-04-25 18:29:52
○ 2026-06-18 06:04:46
● 2026-07-29 13:23:42
● 2026-07-29 13:23:44

●A2600:3c03::f03c:95ff:feed:4d4f2026-03-03 → 2026-07-29 · 20 obs

●A2600:3c03::f03c:95ff:feed:cf2a2026-04-15 → 2026-07-29 · 11 obs

○A2a01:7e01::2000:dff:fec1:5cdb2026-03-04 → 2026-06-18 · 20 obs

○A2a01:7e01::f03c:95ff:fe00:26922026-03-04 → 2026-06-18 · 20 obs

○A2a01:7e01::f03c:95ff:fe91:5d912026-03-04 → 2026-06-18 · 20 obs

○A2a01:7e01::f03c:95ff:feeb:9d4b2026-03-04 → 2026-06-18 · 20 obs

○A2a01:7e01::f03c:95ff:feed:783e2026-03-04 → 2026-06-18 · 20 obs

●A45.33.83.1002026-04-15 → 2026-07-29 · 11 obs

●A45.79.167.1802026-04-15 → 2026-07-29 · 11 obs

●A66.175.209.1792026-03-03 → 2026-07-29 · 20 obs

○A69.172.201.1532016-07-02 → 2018-01-03 · 5 obs

○ 2016-04-03 00:09:48
● 2016-07-02 00:59:46
● 2018-01-03 05:16:52
○ 2026-03-03 18:51:56
○ 2026-07-29 13:23:44

○A69.172.201.2082015-08-22 → 2016-04-03 · 6 obs

● 2015-08-22 11:28:16
● 2015-10-19 00:34:18
○ 2016-01-03 04:08:08
● 2016-04-03 00:09:48
○ 2016-07-02 00:59:46
○ 2026-07-29 13:23:44

○A74.207.241.2452026-06-12 → 2026-06-12 · 4 obs

○ 2026-04-25 18:29:52
● 2026-06-12 04:44:18
○ 2026-06-18 06:04:46
○ 2026-07-29 13:23:44

●A96.126.111.1652026-03-03 → 2026-07-29 · 20 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
stedu.com	damao.ns.giantpanda.com, yangguang.ns.giantpanda.com	2 records

✅ Authoritative Response

Server:3.33.232.36

NS records: damao.ns.giantpanda.com, yangguang.ns.giantpanda.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stedu.com (unsigned zone)

⏱️ Timing

Total: 275ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`45.79.167.180, 66.175.209.179...`
AAAA	4	`2600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:feed:cf2a...`
NS	2	`damao.ns.giantpanda.com, yangguang.ns.giantpanda.com`
MX	1	`mail.mailerhost.net (pri: 1)`
TXT	1	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2",`
SOA	1	`damao.ns.giantpanda.com admin.giantpanda`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (damao.ns.giantpanda.com, yangguang.ns.giantpanda.com)

Analysis

Hierarchy

The domain www.stedu.com falls under the parent stedu.com.

IP Addresses

With 8 IP addresses in total, stedu.com resolves to 45.33.83.100, 45.79.167.180, 66.175.209.179 and 5 other.

Among the host names that share IP numbers with stedu.com are nullmx.bgfitness.com, ewj.in, futurepeople.com.au and two others.

Name Servers

DNS delegation for stedu.com points to two name servers: damao.ns.giantpanda.com and yangguang.ns.giantpanda.com.

stedu.com has the same name server delegation as a number of other domains, such as conceptred.com, hostmaster.pixel.org, threerivers.net and two more.

At least some of stedu.com's name servers are shared with other domains, for example upca.org, www.wcmx.com, www.hure.com and two more.

Each of damao.ns.giantpanda.com and yangguang.ns.giantpanda.com has one IP address: damao.ns.giantpanda.com uses 3.33.232.36 and yangguang.ns.giantpanda.com uses 75.2.45.63.

Mail Servers

stedu.com routes its mail through a single mail server, mail.mailerhost.net.

stedu.com has the same mail server arrangement as a number of other domains, for example iconsearch.com, ngpro.com, nullmx.ippp.com and two more.

mail.mailerhost.net directs to two IP numbers, 5.161.133.13 and 161.35.84.83.