`szwdedu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:274^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8122^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.116^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.34^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nero.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c1c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nero.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c31c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nero.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:231c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nero.ns.cloudflare.com`
		A	108.162.195.28^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nero.ns.cloudflare.com`
		A	162.159.44.28^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nero.ns.cloudflare.com`
		A	172.64.35.28^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nero.ns.cloudflare.com`
NS	`rosalie.ns.cloudflare.com`
		A	2606:4700:50::a29f:2639^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c239^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosalie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2239^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosalie.ns.cloudflare.com`
		A	108.162.194.57^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	162.159.38.57^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	172.64.34.57^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.116, 172.67.129.34
		IPv6 hints	2606:4700:3033::6815:274, 2606:4700:3037::ac43:8122
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=52, name=cloudflare-ech.com
SOA	`nero.ns.cloudflare.com`dns@cloudflare.com serial=2410386019

`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=1785349277

Subdomains

usps.szwdedu.com

Same first word

szwdedu.com

Similar names

szdwedu.com

DNS History

22 records (6 active, 16 former)

○NSa.share-dns.com2026-03-24 → 2026-06-23 · 6 obs

○ 2017-06-05 22:19:32
● 2026-03-24 00:48:36
● 2026-03-24 04:26:10
○ 2026-05-23 08:55:18
● 2026-06-23 18:23:04
○ 2026-07-29 18:38:08

○NSa11.share-dns.com2026-06-23 → 2026-06-23 · 3 obs

○ 2026-05-23 08:55:18
● 2026-06-23 18:23:04
○ 2026-07-29 18:38:08

○NSa5.share-dns.com2026-03-24 → 2026-03-24 · 5 obs

○ 2017-06-05 22:19:32
● 2026-03-24 00:48:36
● 2026-03-24 04:26:10
○ 2026-05-23 08:55:18
○ 2026-07-29 18:38:08

○NSb.share-dns.net2026-03-24 → 2026-06-23 · 6 obs

○ 2017-06-05 22:19:32
● 2026-03-24 00:48:36
● 2026-03-24 04:26:10
○ 2026-05-23 08:55:18
● 2026-06-23 18:23:04
○ 2026-07-29 18:38:08

○NSb11.share-dns.net2026-06-23 → 2026-06-23 · 3 obs

○ 2026-05-23 08:55:18
● 2026-06-23 18:23:04
○ 2026-07-29 18:38:08

○NSb5.share-dns.net2026-03-24 → 2026-03-24 · 5 obs

○ 2017-06-05 22:19:32
● 2026-03-24 00:48:36
● 2026-03-24 04:26:10
○ 2026-05-23 08:55:18
○ 2026-07-29 18:38:08

○NSexpire1.gname-dns.com2026-05-23 → 2026-05-23 · 4 obs

○ 2026-03-24 04:26:10
● 2026-05-23 08:55:18
○ 2026-06-23 18:23:04
○ 2026-07-29 18:38:08

○NSexpire2.gname-dns.com2026-05-23 → 2026-05-23 · 4 obs

○ 2026-03-24 04:26:10
● 2026-05-23 08:55:18
○ 2026-06-23 18:23:04
○ 2026-07-29 18:38:08

●NSnero.ns.cloudflare.com2026-07-29 → 2026-07-29 · 2 obs

○ 2026-06-23 18:23:04
● 2026-07-29 18:38:08

○NSns11.xincache.com2015-06-07 → 2015-06-07 · 3 obs

● 2015-06-07 01:54:04
○ 2015-10-22 18:10:00
○ 2026-07-29 18:38:08

○NSns12.xincache.com2015-06-07 → 2015-06-07 · 3 obs

● 2015-06-07 01:54:04
○ 2015-10-22 18:10:00
○ 2026-07-29 18:38:08

○NSns17.xincache.com2015-10-22 → 2017-06-05 · 5 obs

○ 2015-06-07 01:54:04
● 2015-10-22 18:10:00
● 2017-06-05 22:19:32
○ 2026-03-24 00:48:36
○ 2026-07-29 18:38:08

○NSns18.xincache.com2015-10-22 → 2017-06-05 · 5 obs

○ 2015-06-07 01:54:04
● 2015-10-22 18:10:00
● 2017-06-05 22:19:32
○ 2026-03-24 00:48:36
○ 2026-07-29 18:38:08

●NSrosalie.ns.cloudflare.com2026-07-29 → 2026-07-29 · 2 obs

○ 2026-06-23 18:23:04
● 2026-07-29 18:38:08

○MXmxbiz1.qq.com2015-06-07 → 2017-06-05 · 4 obs

● 2015-06-07 01:54:04
● 2017-06-05 22:19:32
○ 2026-03-24 00:48:36
○ 2026-07-29 18:38:08

○MXmxbiz2.qq.com2015-06-07 → 2017-06-05 · 4 obs

● 2015-06-07 01:54:04
● 2017-06-05 22:19:32
○ 2026-03-24 00:48:36
○ 2026-07-29 18:38:08

●A104.21.2.1162026-07-29 → 2026-07-29 · 2 obs

○ 2026-05-23 08:55:18
● 2026-07-29 18:38:08

●A172.67.129.342026-07-29 → 2026-07-29 · 2 obs

○ 2026-05-23 08:55:18
● 2026-07-29 18:38:08

●A2606:4700:3033::6815:2742026-07-29 → 2026-07-29 · 2 obs

○ 2026-05-23 08:55:18
● 2026-07-29 18:38:08

●A2606:4700:3037::ac43:81222026-07-29 → 2026-07-29 · 2 obs

○ 2026-05-23 08:55:18
● 2026-07-29 18:38:08

○A38.33.185.752026-03-24 → 2026-03-24 · 4 obs

● 2026-03-24 00:48:36
● 2026-03-24 04:26:10
○ 2026-05-23 08:55:18
○ 2026-07-29 18:38:08

○CNAMEexp.gname.net2026-05-23 → 2026-05-23 · 3 obs

● 2026-05-23 08:55:18
○ 2026-06-23 18:23:04
○ 2026-07-29 18:38:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
szwdedu.com	rosalie.ns.cloudflare.com, nero.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.28

NS records: rosalie.ns.cloudflare.com, nero.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for szwdedu.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.2.116, 172.67.129.34`
AAAA	2	`2606:4700:3037::ac43:8122, 2606:4700:3033::6815:274`
NS	2	`nero.ns.cloudflare.com, rosalie.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nero.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rosalie.ns.cloudflare.com, rosalie.ns.cloudflare.com, rosalie.ns.cloudflare.com...)

Analysis

Hierarchy

szwdedu.com serves as the parent of usps.szwdedu.com.

IP Addresses

szwdedu.com has four IP addresses: 104.21.2.116, 172.67.129.34, 2606:4700:3033::6815:274 and 2606:4700:3037::ac43:8122.

decortip.com, www.kcrv.com, wfjsjlb.com and two other host names share IP numbers with szwdedu.com.

Name Servers

DNS delegation for szwdedu.com points to two name servers: nero.ns.cloudflare.com and rosalie.ns.cloudflare.com.

szwdedu.com uses the same name servers as several other domains — among them zgmhsg.com, buxib.com, xishihq.com and two more.

szwdedu.com has at least partial name server overlap with other domains, such as zpccw.com, niliy.cn, grandvista.surf and two others.

These name servers tend to appear together with the name servers keyla.ns.cloudflare.com, sam.ns.cloudflare.com and coco.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

nero.ns.cloudflare.com has IP addresses 108.162.195.28, 162.159.44.28 and 172.64.35.28, plus 3 other.

rosalie.ns.cloudflare.com has IP addresses 108.162.194.57, 162.159.38.57 and 172.64.34.57, plus 3 other.

szwdedu.com - robtex.com

szwdedu.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`szwdedu.com`

`com`