sqlteaching.com - dns.ninja

`sqlteaching.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2b70^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b28b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.112^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.139^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lady.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lady.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lady.ns.cloudflare.com`
		A	108.162.192.127^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	172.64.32.127^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	173.245.58.127^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
NS	`sid.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sid.ns.cloudflare.com`
		A	108.162.193.143^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	172.64.33.143^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	173.245.59.143^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
MX	`_dc-mx.0bde1612e71a.sqlteaching.com` ⭐
		A	208.94.116.58^{🇺🇸 CAPEQUILOG208.94.116.0/22 GridFury LLC 1540 INTERNATIONAL PKWY STE 2000 LAKE MARY FL 32746 United States}
			PTR	`ip-208-94-116-58.sites.nearlyfreespeech.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.112, 172.67.178.139
		IPv6 hints	2606:4700:3033::6815:2b70, 2606:4700:3035::ac43:b28b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com
SOA	`lady.ns.cloudflare.com`dns@cloudflare.com serial=2410029095

`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=1785118317

Same first word

sqlteaching.com

DNS History

14 records (7 active, 7 former)

●NSlady.ns.cloudflare.com2016-12-20 → 2026-07-27 · 2 obs

● 2016-12-20 23:57:14
● 2026-07-27 02:34:30

●NSsid.ns.cloudflare.com2016-12-20 → 2026-07-27 · 2 obs

● 2016-12-20 23:57:14
● 2026-07-27 02:34:30

●MX_dc-mx.0bde1612e71a.sqlteaching.com2026-02-16 → 2026-07-27 · 3 obs

○ 2016-12-20 23:57:14
● 2026-02-16 10:44:40
● 2026-07-27 02:34:30

○MXdc-043275d9.sqlteaching.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 23:57:14
○ 2026-02-16 10:44:40
○ 2026-07-27 02:34:30

○A104.18.60.1832016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 23:57:14
○ 2026-02-16 10:44:40
○ 2026-07-27 02:34:30

○A104.18.61.1832016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 23:57:14
○ 2026-02-16 10:44:40
○ 2026-07-27 02:34:30

●A104.21.43.1122026-02-16 → 2026-07-27 · 3 obs

○ 2016-12-20 23:57:14
● 2026-02-16 10:44:40
● 2026-07-27 02:34:30

●A172.67.178.1392026-02-16 → 2026-07-27 · 3 obs

○ 2016-12-20 23:57:14
● 2026-02-16 10:44:40
● 2026-07-27 02:34:30

○A2400:cb00:2048:1::6812:3cb72016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 23:57:14
○ 2026-02-16 10:44:40
○ 2026-07-27 02:34:30

○A2400:cb00:2048:1::6812:3db72016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 23:57:14
○ 2026-02-16 10:44:40
○ 2026-07-27 02:34:30

○A2606:4700:3031::6815:2b702026-02-16 → 2026-02-16 · 4 obs

○ 2016-12-20 23:57:14
● 2026-02-16 10:44:40
○ 2026-07-04 17:33:48
○ 2026-07-27 02:34:30

●A2606:4700:3033::6815:2b702026-07-04 → 2026-07-27 · 3 obs

○ 2026-02-16 10:44:40
● 2026-07-04 17:33:48
● 2026-07-27 02:34:30

●A2606:4700:3035::ac43:b28b2026-07-04 → 2026-07-27 · 3 obs

○ 2026-02-16 10:44:40
● 2026-07-04 17:33:48
● 2026-07-27 02:34:30

○A2606:4700:3036::ac43:b28b2026-02-16 → 2026-02-16 · 4 obs

○ 2016-12-20 23:57:14
● 2026-02-16 10:44:40
○ 2026-07-04 17:33:48
○ 2026-07-27 02:34:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sqlteaching.com	lady.ns.cloudflare.com, sid.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.127

NS records: lady.ns.cloudflare.com, sid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sqlteaching.com (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.43.112, 172.67.178.139`
AAAA	2	`2606:4700:3033::6815:2b70, 2606:4700:3035::ac43:b28b`
NS	2	`lady.ns.cloudflare.com, sid.ns.cloudflare.com`
MX	1	`_dc-mx.0bde1612e71a.sqlteaching.com (pri`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lady.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sqlteaching.com directs to four IP numbers, which are 104.21.43.112, 172.67.178.139, 2606:4700:3033::6815:2b70 and 2606:4700:3035::ac43:b28b.

Two other host names, along with ambiance.cloud, qualitysupportgroup.com and www.circulars.ca, also share IP numbers with sqlteaching.com.

Name Servers

sqlteaching.com is served by two delegated name servers, lady.ns.cloudflare.com and sid.ns.cloudflare.com.

sqlteaching.com shares its NS records with other domains, for example quickserve.de, urataconcrete.com, shawn.at and two others.

At least some of sqlteaching.com's name servers are shared with other domains, for example sozeno.com, narkive.pl, flaneur.eu and two more.

These name servers tend to be deployed in combination with the name servers norm.ns.cloudflare.com and rob.ns.cloudflare.com.

DNS names with 6 IP addresses:

lady.ns.cloudflare.com carries IP addresses 108.162.192.127, 172.64.32.127 and 173.245.58.127, with 3 other addresses beyond those.

sid.ns.cloudflare.com carries IP addresses 108.162.193.143, 172.64.33.143 and 173.245.59.143, with 3 other addresses beyond those.

Mail Servers

The sole mail server for sqlteaching.com is _dc-mx.0bde1612e71a.sqlteaching.com.

There is one IP number for _dc-mx.0bde1612e71a.sqlteaching.com: 208.94.116.58.