`sql-questions.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:9afb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:48d0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.208^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.251^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kay.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kay.ns.cloudflare.com`
		A	108.162.192.125^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	172.64.32.125^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	173.245.58.125^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
NS	`trevor.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trevor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trevor.ns.cloudflare.com`
		A	108.162.195.154^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	162.159.44.154^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	172.64.35.154^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.72.208, 172.67.154.251
		IPv6	2606:4700:3034::ac43:9afb, 2606:4700:3037::6815:48d0
SOA	`kay.ns.cloudflare.com`dns@cloudflare.com serial=2398796038

`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=1771291435

Same first word

sql-questions.com

DNS History

19 records (6 active, 13 former)

○NSdns010.d.register.com2015-07-21 → 2017-04-06 · 4 obs

● 2015-07-21 21:57:42
● 2017-04-06 00:08:48
○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

○NSdns079.c.register.com2015-07-21 → 2017-04-06 · 4 obs

● 2015-07-21 21:57:42
● 2017-04-06 00:08:48
○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

○NSdns121.a.register.com2015-07-21 → 2017-04-06 · 4 obs

● 2015-07-21 21:57:42
● 2017-04-06 00:08:48
○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

○NSdns246.b.register.com2015-07-21 → 2017-04-06 · 4 obs

● 2015-07-21 21:57:42
● 2017-04-06 00:08:48
○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

●NSkay.ns.cloudflare.com2026-02-16 → 2026-03-22 · 3 obs

○ 2017-04-06 00:08:48
● 2026-02-16 16:47:20
● 2026-03-22 18:49:46

○NSns1.taku-adtech.com2026-02-16 → 2026-03-22 · 2 obs

○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

○NSns2.taku-adtech.com2026-02-16 → 2026-03-22 · 2 obs

○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

●NStrevor.ns.cloudflare.com2026-02-16 → 2026-03-22 · 3 obs

○ 2017-04-06 00:08:48
● 2026-02-16 16:47:20
● 2026-03-22 18:49:46

○MXmx07.register.com2015-07-21 → 2026-02-16 · 4 obs

● 2015-07-21 21:57:42
● 2026-02-16 16:47:20
○ 2026-02-25 22:56:04
○ 2026-03-22 18:49:46

●A104.21.72.2082026-02-16 → 2026-03-22 · 3 obs

○ 2017-04-06 00:08:48
● 2026-02-16 16:47:20
● 2026-03-22 18:49:46

○A129.212.134.632026-02-16 → 2026-03-22 · 2 obs

○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

○A129.212.146.522026-02-16 → 2026-03-22 · 2 obs

○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

●A172.67.154.2512026-02-16 → 2026-03-22 · 3 obs

○ 2017-04-06 00:08:48
● 2026-02-16 16:47:20
● 2026-03-22 18:49:46

○A199.168.186.1022017-04-06 → 2017-04-06 · 4 obs

○ 2016-07-10 04:13:04
● 2017-04-06 00:08:48
○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

○A199.168.186.2382016-03-03 → 2016-07-10 · 5 obs

○ 2015-11-21 06:09:58
● 2016-03-03 01:41:30
● 2016-07-10 04:13:04
○ 2017-04-06 00:08:48
○ 2026-03-22 18:49:46

○A209.38.63.1942026-02-16 → 2026-03-22 · 2 obs

○ 2026-02-16 16:47:20
○ 2026-03-22 18:49:46

●A2606:4700:3034::ac43:9afb2026-02-16 → 2026-03-22 · 3 obs

○ 2017-04-06 00:08:48
● 2026-02-16 16:47:20
● 2026-03-22 18:49:46

●A2606:4700:3037::6815:48d02026-02-16 → 2026-03-22 · 3 obs

○ 2017-04-06 00:08:48
● 2026-02-16 16:47:20
● 2026-03-22 18:49:46

○A66.7.207.2342015-07-21 → 2015-11-21 · 4 obs

● 2015-07-21 21:57:42
● 2015-11-21 06:09:58
○ 2016-03-03 01:41:30
○ 2026-03-22 18:49:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...	-
sql-questions.com	kay.ns.cloudflare.com, trevor.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.195.154

NS records: kay.ns.cloudflare.com, trevor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sql-questions.com (unsigned zone)

⏱️ Timing

Total: 204ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.72.208, 172.67.154.251`
AAAA	2	`2606:4700:3037::6815:48d0, 2606:4700:3034::ac43:9afb`
NS	2	`kay.ns.cloudflare.com, trevor.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kay.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sql-questions.com refers to four IP numbers: 2606:4700:3034::ac43:9afb, 2606:4700:3037::6815:48d0, 104.21.72.208 and 172.67.154.251.

Other host names, for instance saltedsignal.org, 7zz.com.br, affilihouse.network, bundtcakephotos.com and ddaofct.com share IP numbers with sql-questions.com.

Name Servers

sql-questions.com's delegation uses two name servers: kay.ns.cloudflare.com and trevor.ns.cloudflare.com.

sql-questions.com uses the same name server setup as other domains, such as npvcalculator.org, houpu.org, hj2024a965.top, arepnw.org and usanews.top.

sql-questions.com at least partially shares name servers with other domains, including csfinancial.sg, rter.info, puzzlelink.ru, ditsystem.dk and torresdebuenosaires.com.

These name servers are commonly used with barbara.ns.cloudflare.com.

Host names with six IP numbers:

kay.ns.cloudflare.com points to 2606:4700:50::adf5:3a7d, 2803:f800:50::6ca2:c07d, 2a06:98c1:50::ac40:207d, 108.162.192.125, 172.64.32.125 and 173.245.58.125.

trevor.ns.cloudflare.com points to 2606:4700:58::a29f:2c9a, 2803:f800:50::6ca2:c39a, 2a06:98c1:50::ac40:239a, 108.162.195.154, 162.159.44.154 and 172.64.35.154.

sql-questions.com - robtex.com