sdtun.com - dns.ninja

`sdtun.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4e94^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:df07^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.148^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.7^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`major.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bf1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`major.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`major.ns.cloudflare.com`
		A	108.162.193.241^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	172.64.33.241^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	173.245.59.241^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
NS	`nia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nia.ns.cloudflare.com`
		A	108.162.192.210^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	172.64.32.210^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	173.245.58.210^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.148, 172.67.223.7
		IPv6 hints	2606:4700:3033::6815:4e94, 2606:4700:3033::ac43:df07
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=216, name=cloudflare-ech.com
SOA	`major.ns.cloudflare.com`dns@cloudflare.com serial=2409406513

`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=1784846457

Same first word

sdtun.com

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DNS History

15 records (6 active, 9 former)

○NSjm1.dns.com2020-01-20 → 2020-01-20 · 4 obs

○ 2017-02-17 11:03:52
● 2020-01-20 14:33:34
○ 2026-02-15 19:10:34
○ 2026-07-23 22:47:26

○NSjm2.dns.com2020-01-20 → 2020-01-20 · 4 obs

○ 2017-02-17 11:03:52
● 2020-01-20 14:33:34
○ 2026-02-15 19:10:34
○ 2026-07-23 22:47:26

●NSmajor.ns.cloudflare.com2026-02-15 → 2026-07-23 · 3 obs

○ 2020-01-20 14:33:34
● 2026-02-15 19:10:34
● 2026-07-23 22:47:26

●NSnia.ns.cloudflare.com2026-02-15 → 2026-07-23 · 3 obs

○ 2020-01-20 14:33:34
● 2026-02-15 19:10:34
● 2026-07-23 22:47:26

○NSns17.xincache.com2015-08-17 → 2017-02-17 · 4 obs

● 2015-08-17 21:53:48
● 2017-02-17 11:03:52
○ 2020-01-20 14:33:34
○ 2026-07-23 22:47:26

○NSns18.xincache.com2015-08-17 → 2017-02-17 · 4 obs

● 2015-08-17 21:53:48
● 2017-02-17 11:03:52
○ 2020-01-20 14:33:34
○ 2026-07-23 22:47:26

●A104.21.78.1482026-02-15 → 2026-07-23 · 3 obs

○ 2017-02-17 11:03:52
● 2026-02-15 19:10:34
● 2026-07-23 22:47:26

○A112.123.169.1012016-05-03 → 2016-05-03 · 4 obs

○ 2016-02-16 14:22:00
● 2016-05-03 21:26:50
○ 2017-02-17 11:03:52
○ 2026-07-23 22:47:26

●A172.67.223.72026-02-15 → 2026-07-23 · 3 obs

○ 2017-02-17 11:03:52
● 2026-02-15 19:10:34
● 2026-07-23 22:47:26

○A218.244.136.912015-08-17 → 2016-02-16 · 4 obs

● 2015-08-17 21:53:48
● 2016-02-16 14:22:00
○ 2016-05-03 21:26:50
○ 2026-07-23 22:47:26

○A2606:4700:3031::ac43:df072026-02-15 → 2026-06-11 · 5 obs

○ 2017-02-17 11:03:52
● 2026-02-15 19:10:34
● 2026-06-11 21:45:30
○ 2026-07-03 06:52:02
○ 2026-07-23 22:47:26

●A2606:4700:3033::6815:4e942026-07-03 → 2026-07-23 · 3 obs

○ 2026-06-11 21:45:30
● 2026-07-03 06:52:02
● 2026-07-23 22:47:26

●A2606:4700:3033::ac43:df072026-07-03 → 2026-07-23 · 3 obs

○ 2026-06-11 21:45:30
● 2026-07-03 06:52:02
● 2026-07-23 22:47:26

○A2606:4700:3035::6815:4e942026-02-15 → 2026-06-11 · 5 obs

○ 2017-02-17 11:03:52
● 2026-02-15 19:10:34
● 2026-06-11 21:45:30
○ 2026-07-03 06:52:02
○ 2026-07-23 22:47:26

○A27.54.253.422017-02-17 → 2017-02-17 · 4 obs

○ 2016-05-03 21:26:50
● 2017-02-17 11:03:52
○ 2026-02-15 19:10:34
○ 2026-07-23 22:47:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sdtun.com	major.ns.cloudflare.com, nia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.210

NS records: major.ns.cloudflare.com, nia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdtun.com (unsigned zone)

⏱️ Timing

Total: 302ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.78.148, 172.67.223.7`
AAAA	2	`2606:4700:3033::6815:4e94, 2606:4700:3033::ac43:df07`
NS	2	`major.ns.cloudflare.com, nia.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`major.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sdtun.com resolves to four IP addresses: 104.21.78.148, 172.67.223.7, 2606:4700:3033::6815:4e94 and 2606:4700:3033::ac43:df07.

mail.moikot.com, nextreelsgroup.com, www.ultidijital.com plus two other host names have IP numbers in common with sdtun.com.

Name Servers

sdtun.com has two authoritative name servers — major.ns.cloudflare.com and nia.ns.cloudflare.com.

The name server configuration of sdtun.com is shared with other domains, for instance yhsyzy.com, afripharm.com, tulipsinc.com and two others.

sdtun.com partially shares its NS delegation with several other domains, including sistematizate.cl, szktgx.com, creativedesignsguru.com and two others.

These name servers are regularly seen alongside dora.ns.cloudflare.com and sue.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

major.ns.cloudflare.com points to 108.162.193.241, 172.64.33.241, 173.245.59.241 and 3 other IP addresses.

nia.ns.cloudflare.com points to 108.162.192.210, 172.64.32.210, 173.245.58.210 and 3 other IP addresses.