semaphore.tech - dns.ninja

`semaphore.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:31f1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:c3f4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.241^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.244^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elmo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elmo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elmo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elmo.ns.cloudflare.com`
		A	108.162.193.163^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elmo.ns.cloudflare.com`
		A	172.64.33.163^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elmo.ns.cloudflare.com`
		A	173.245.59.163^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elmo.ns.cloudflare.com`
NS	`vita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vita.ns.cloudflare.com`
		A	108.162.192.238^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	172.64.32.238^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	173.245.58.238^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
MX	`semaphore-tech.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`MS=ms84039895`
TXT	`google-site-verification=FoGVIaLwteFWj2QDhxEsOuiHbmQqY3IqiHZwR2ZMcfw`
TXT	`google-site-verification=lC19wjyx0DL3u_Y2mJe1OR4SIXJ6u4Pso83MZOiw6LY`
TXT	`v=spf1 include:amazonses.com include:_spf.google.com include:spf.protection.o...`
TXT	`yandex-verification: 1b5a384726e730e4`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.241, 172.67.195.244
		IPv6 hints	2606:4700:3030::6815:31f1, 2606:4700:3036::ac43:c3f4
SOA	`elmo.ns.cloudflare.com`dns@cloudflare.com serial=2409921356

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1785737638

Same first word

Similar names

DNS History

13 records (7 active, 6 former)

●NSelmo.ns.cloudflare.com2026-04-12 → 2026-08-03 · 2 obs

● 2026-04-12 00:43:14
● 2026-08-03 06:19:04

●NSvita.ns.cloudflare.com2026-04-12 → 2026-08-03 · 2 obs

● 2026-04-12 00:43:14
● 2026-08-03 06:19:04

●MXsemaphore-tech.mail.protection.outlook.com2026-04-12 → 2026-08-03 · 2 obs

● 2026-04-12 00:43:14
● 2026-08-03 06:19:04

●A104.21.49.2412026-04-12 → 2026-08-03 · 4 obs

● 2026-04-12 00:43:14
○ 2026-07-07 22:02:26
● 2026-07-29 07:40:22
● 2026-08-03 06:19:04

●A172.67.195.2442026-04-12 → 2026-08-03 · 4 obs

● 2026-04-12 00:43:14
○ 2026-07-07 22:02:26
● 2026-07-29 07:40:22
● 2026-08-03 06:19:04

○A188.114.96.02026-07-07 → 2026-07-07 · 4 obs

○ 2026-07-02 20:21:18
● 2026-07-07 22:02:26
○ 2026-07-29 07:40:22
○ 2026-08-03 06:19:04

○A188.114.97.02026-07-07 → 2026-07-07 · 4 obs

○ 2026-07-02 20:21:18
● 2026-07-07 22:02:26
○ 2026-07-29 07:40:22
○ 2026-08-03 06:19:04

●A2606:4700:3030::6815:31f12026-07-02 → 2026-08-03 · 5 obs

○ 2026-04-12 00:43:14
● 2026-07-02 20:21:18
○ 2026-07-07 22:02:26
● 2026-07-29 07:40:22
● 2026-08-03 06:19:04

○A2606:4700:3033::6815:31f12026-04-12 → 2026-04-12 · 3 obs

● 2026-04-12 00:43:14
○ 2026-07-02 20:21:18
○ 2026-08-03 06:19:04

○A2606:4700:3035::ac43:c3f42026-04-12 → 2026-04-12 · 3 obs

● 2026-04-12 00:43:14
○ 2026-07-02 20:21:18
○ 2026-08-03 06:19:04

●A2606:4700:3036::ac43:c3f42026-07-02 → 2026-08-03 · 5 obs

○ 2026-04-12 00:43:14
● 2026-07-02 20:21:18
○ 2026-07-07 22:02:26
● 2026-07-29 07:40:22
● 2026-08-03 06:19:04

○A2a06:98c1:3120::2026-07-07 → 2026-07-07 · 4 obs

○ 2026-07-02 20:21:18
● 2026-07-07 22:02:26
○ 2026-07-29 07:40:22
○ 2026-08-03 06:19:04

○A2a06:98c1:3121::2026-07-07 → 2026-07-07 · 4 obs

○ 2026-07-02 20:21:18
● 2026-07-07 22:02:26
○ 2026-07-29 07:40:22
○ 2026-08-03 06:19:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns10.trs-dns.org, ns01.trs-dns.net, ns10.trs-dns.info	8 records
semaphore.tech	vita.ns.cloudflare.com, elmo.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.163

NS records: vita.ns.cloudflare.com, elmo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for semaphore.tech (unsigned zone)

⏱️ Timing

Total: 602ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.195.244, 104.21.49.241`
AAAA	2	`2606:4700:3030::6815:31f1, 2606:4700:3036::ac43:c3f4`
NS	2	`elmo.ns.cloudflare.com, vita.ns.cloudflare.com`
MX	1	`semaphore-tech.mail.protection.outlook.c`
TXT	5	`MS=ms84039895, google-site-verification=FoGVIaLwteFWj2Q...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elmo.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net...)

Analysis

IP Addresses

semaphore.tech points to the four IP addresses 104.21.49.241, 172.67.195.244, 2606:4700:3030::6815:31f1 and 2606:4700:3036::ac43:c3f4.

sdhjxny.com, deyf.cn, fudajiaodai.com and two other host names share IP numbers with semaphore.tech.

Name Servers

semaphore.tech is served by two delegated name servers, elmo.ns.cloudflare.com and vita.ns.cloudflare.com.

semaphore.tech uses the same name servers as several other domains — among them 1fiesta.com.sg, sanjanapatel.com, (0x736578)shop.rs and two more.

The name servers of semaphore.tech overlap at least partially with those of other domains — among them ccbeusbc.com.br, europowertec.ro, thhtzc.com and two more.

These name servers commonly appear alongside the name servers tessa.ns.cloudflare.com and ingrid.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

elmo.ns.cloudflare.com carries IP addresses 108.162.193.163, 172.64.33.163 and 173.245.59.163, with 3 other addresses beyond those.

vita.ns.cloudflare.com carries IP addresses 108.162.192.238, 172.64.32.238 and 173.245.58.238, with 3 other addresses beyond those.

Mail Servers

Mail for semaphore.tech is handled by a single mail server, semaphore-tech.mail.protection.outlook.com.

semaphore-tech.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.18, 52.101.68.29, 52.101.68.36 and 5 others.