`scihead-fs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:199c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:865a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.156^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.90^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aitana.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26de^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aitana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aitana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aitana.ns.cloudflare.com`
		A	108.162.194.222^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.222^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.222^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`art.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c166^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`art.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2166^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`art.ns.cloudflare.com`
		A	108.162.193.102^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	172.64.33.102^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	173.245.59.102^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.156, 172.67.134.90
		IPv6 hints	2606:4700:3032::6815:199c, 2606:4700:3032::ac43:865a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=134, name=cloudflare-ech.com
SOA	`aitana.ns.cloudflare.com`dns@cloudflare.com serial=2409458573

`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=1785355997

Same first word

scihead-fs.com

DNS History

24 records (6 active, 18 former)

●NSaitana.ns.cloudflare.com2026-03-27 → 2026-07-29 · 3 obs

○ 2017-04-09 15:44:02
● 2026-03-27 13:35:06
● 2026-07-29 20:31:46

●NSart.ns.cloudflare.com2026-03-27 → 2026-07-29 · 3 obs

○ 2017-04-09 15:44:02
● 2026-03-27 13:35:06
● 2026-07-29 20:31:46

○NSdns27.hichina.com2015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 01:50:46
○ 2015-11-25 01:07:00
○ 2026-07-29 20:31:46

○NSdns28.hichina.com2015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 01:50:46
○ 2015-11-25 01:07:00
○ 2026-07-29 20:31:46

○NSjuming.dnsdun.com2017-04-09 → 2017-04-09 · 4 obs

○ 2016-03-04 22:49:36
● 2017-04-09 15:44:02
○ 2026-03-27 13:35:06
○ 2026-07-29 20:31:46

○NSjuming.dnsdun.net2017-04-09 → 2017-04-09 · 4 obs

○ 2016-03-04 22:49:36
● 2017-04-09 15:44:02
○ 2026-03-27 13:35:06
○ 2026-07-29 20:31:46

○NSns1.mydns8.cn2015-11-25 → 2016-03-04 · 5 obs

○ 2015-07-23 01:50:46
● 2015-11-25 01:07:00
● 2016-03-04 22:49:36
○ 2017-04-09 15:44:02
○ 2026-07-29 20:31:46

○NSns1.mydns8.com2015-11-25 → 2016-03-04 · 5 obs

○ 2015-07-23 01:50:46
● 2015-11-25 01:07:00
● 2016-03-04 22:49:36
○ 2017-04-09 15:44:02
○ 2026-07-29 20:31:46

○NSsp1.gname-dns.com2026-03-27 → 2026-07-29 · 2 obs

○ 2026-03-27 13:35:06
○ 2026-07-29 20:31:46

○NSsp2.gname-dns.com2026-03-27 → 2026-07-29 · 2 obs

○ 2026-03-27 13:35:06
○ 2026-07-29 20:31:46

○MXmail.scihead-fs.com2015-11-25 → 2016-03-04 · 4 obs

● 2015-11-25 01:07:00
● 2016-03-04 22:49:36
○ 2016-09-14 20:52:02
○ 2026-07-29 20:31:46

○MXmail.skrimple.com2016-09-14 → 2016-09-14 · 4 obs

○ 2016-03-04 22:49:36
● 2016-09-14 20:52:02
○ 2017-04-09 15:44:02
○ 2026-07-29 20:31:46

●A104.21.25.1562026-03-27 → 2026-07-29 · 3 obs

○ 2017-04-09 15:44:02
● 2026-03-27 13:35:06
● 2026-07-29 20:31:46

○A113.10.240.692017-04-09 → 2017-04-09 · 4 obs

○ 2016-09-14 20:52:02
● 2017-04-09 15:44:02
○ 2026-03-27 13:35:06
○ 2026-07-29 20:31:46

○A113.105.231.1032015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 01:50:46
○ 2015-11-25 01:07:00
○ 2026-07-29 20:31:46

○A116.254.246.1122015-11-25 → 2015-11-25 · 4 obs

○ 2015-07-23 01:50:46
● 2015-11-25 01:07:00
○ 2016-03-04 22:49:36
○ 2026-07-29 20:31:46

●A172.67.134.902026-03-27 → 2026-07-29 · 3 obs

○ 2017-04-09 15:44:02
● 2026-03-27 13:35:06
● 2026-07-29 20:31:46

○A183.3.222.1352016-03-04 → 2016-03-04 · 4 obs

○ 2015-11-25 01:07:00
● 2016-03-04 22:49:36
○ 2016-09-14 20:52:02
○ 2026-07-29 20:31:46

○A2606:4700:3030::6815:199c2026-03-27 → 2026-03-27 · 3 obs

○ 2017-04-09 15:44:02
● 2026-03-27 13:35:06
○ 2026-07-29 20:31:46

●A2606:4700:3032::6815:199c2026-07-29 → 2026-07-29 · 2 obs

○ 2026-03-27 13:35:06
● 2026-07-29 20:31:46

●A2606:4700:3032::ac43:865a2026-07-29 → 2026-07-29 · 2 obs

○ 2026-03-27 13:35:06
● 2026-07-29 20:31:46

○A2606:4700:3036::ac43:865a2026-03-27 → 2026-03-27 · 3 obs

○ 2017-04-09 15:44:02
● 2026-03-27 13:35:06
○ 2026-07-29 20:31:46

○A69.46.84.522016-09-14 → 2016-09-14 · 4 obs

○ 2016-03-04 22:49:36
● 2016-09-14 20:52:02
○ 2017-04-09 15:44:02
○ 2026-07-29 20:31:46

○CNAMEsp.gname.net2026-03-27 → 2026-07-29 · 2 obs

○ 2026-03-27 13:35:06
○ 2026-07-29 20:31:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
scihead-fs.com	art.ns.cloudflare.com, aitana.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.102

NS records: art.ns.cloudflare.com, aitana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for scihead-fs.com (unsigned zone)

⏱️ Timing

Total: 200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.156, 172.67.134.90`
AAAA	2	`2606:4700:3032::6815:199c, 2606:4700:3032::ac43:865a`
NS	2	`aitana.ns.cloudflare.com, art.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aitana.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

scihead-fs.com directs to four IP numbers, which are 104.21.25.156, 172.67.134.90, 2606:4700:3032::6815:199c and 2606:4700:3032::ac43:865a.

tesd-40756.radio-e.ru, tempibalkyskatt.space, fevobit.com and two other host names share IP numbers with scihead-fs.com.

Name Servers

DNS delegation for scihead-fs.com points to two name servers: aitana.ns.cloudflare.com and art.ns.cloudflare.com.

scihead-fs.com uses the same name servers as several other domains — among them netbinzhou.com, displacedmind.com, shenzhouhuaxue.com and two more.

At least some of scihead-fs.com's name servers are shared with other domains, for example simplifyasc.com, agencerezo.com, edu-birdie.biz and two more.

These name servers tend to be used in conjunction with the name servers jaime.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

aitana.ns.cloudflare.com has IP addresses 108.162.194.222, 162.159.38.222 and 172.64.34.222, plus 3 other.

art.ns.cloudflare.com has IP addresses 108.162.193.102, 172.64.33.102 and 173.245.59.102, plus 3 other.

scihead-fs.com - robtex.com

scihead-fs.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`scihead-fs.com`

`com`