21yhb.com - robtex.com

21yhb.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a0f8🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:f06🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.6Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.248🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmichael.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c0c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
A2803:f800:50::6ca2:c30c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmichael.ns.cloudflare.com
A2a06:98c1:50::ac40:230c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmichael.ns.cloudflare.com
A108.162.195.12🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
A162.159.44.12Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
A172.64.35.12🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
NSsandy.ns.cloudflare.com
A2606:4700:50::adf5:3adb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandy.ns.cloudflare.com
A2803:f800:50::6ca2:c0db🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsandy.ns.cloudflare.com
A2a06:98c1:50::ac40:20db🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsandy.ns.cloudflare.com
A108.162.192.219🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandy.ns.cloudflare.com
A172.64.32.219🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandy.ns.cloudflare.com
A173.245.58.219🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.15.6, 172.67.160.248
IPv62606:4700:3030::ac43:a0f8, 2606:4700:3033::6815:f06
SOAmichael.ns.cloudflare.comdns@cloudflare.com serial=2400042745

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774595137

Same first word

21yhb.com

DNS History

17 records (6 active, 11 former)

20162017201820192020202120222023202420252026NSmichael.ns.cloudflare.comsandy.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netns1.ezdnscenter.comns2.ezdnscenter.comns3.ezdnscenter.comns4.ezdnscenter.comns5.ezdnscenter.comns6.ezdnscenter.comA104.21.15.6172.67.160.2482606:4700:3030::ac43:a0f82606:4700:3033::6815:f06114.80.156.122114.80.156.4145.42.94.130
○NSf1g1ns1.dnspod.net2018-11-30 → 2018-11-30 · 4 obs
○ 2017-02-05 13:26:34
● 2018-11-30 18:47:08
○ 2026-02-28 05:55:56
○ 2026-03-27 07:13:54
○NSf1g1ns2.dnspod.net2018-11-30 → 2018-11-30 · 4 obs
○ 2017-02-05 13:26:34
● 2018-11-30 18:47:08
○ 2026-02-28 05:55:56
○ 2026-03-27 07:13:54
●NSmichael.ns.cloudflare.com2026-02-28 → 2026-03-27 · 3 obs
○ 2018-11-30 18:47:08
● 2026-02-28 05:55:56
● 2026-03-27 07:13:54
○NSns1.ezdnscenter.com2015-08-17 → 2017-02-05 · 4 obs
● 2015-08-17 17:23:14
● 2017-02-05 13:26:34
○ 2018-11-30 18:47:08
○ 2026-03-27 07:13:54
○NSns2.ezdnscenter.com2015-08-17 → 2017-02-05 · 4 obs
● 2015-08-17 17:23:14
● 2017-02-05 13:26:34
○ 2018-11-30 18:47:08
○ 2026-03-27 07:13:54
○NSns3.ezdnscenter.com2015-08-17 → 2017-02-05 · 4 obs
● 2015-08-17 17:23:14
● 2017-02-05 13:26:34
○ 2018-11-30 18:47:08
○ 2026-03-27 07:13:54
○NSns4.ezdnscenter.com2015-08-17 → 2017-02-05 · 4 obs
● 2015-08-17 17:23:14
● 2017-02-05 13:26:34
○ 2018-11-30 18:47:08
○ 2026-03-27 07:13:54
○NSns5.ezdnscenter.com2015-08-17 → 2017-02-05 · 4 obs
● 2015-08-17 17:23:14
● 2017-02-05 13:26:34
○ 2018-11-30 18:47:08
○ 2026-03-27 07:13:54
○NSns6.ezdnscenter.com2015-08-17 → 2017-02-05 · 4 obs
● 2015-08-17 17:23:14
● 2017-02-05 13:26:34
○ 2018-11-30 18:47:08
○ 2026-03-27 07:13:54
●NSsandy.ns.cloudflare.com2026-02-28 → 2026-03-27 · 3 obs
○ 2018-11-30 18:47:08
● 2026-02-28 05:55:56
● 2026-03-27 07:13:54
●A104.21.15.62026-02-28 → 2026-03-27 · 3 obs
○ 2018-11-30 18:47:08
● 2026-02-28 05:55:56
● 2026-03-27 07:13:54
○A114.80.156.1222015-11-28 → 2017-02-05 · 5 obs
○ 2015-08-17 17:23:14
● 2015-11-28 21:15:42
● 2017-02-05 13:26:34
○ 2018-11-30 18:47:08
○ 2026-03-27 07:13:54
○A114.80.156.412015-08-17 → 2015-08-17 · 3 obs
● 2015-08-17 17:23:14
○ 2015-11-28 21:15:42
○ 2026-03-27 07:13:54
●A172.67.160.2482026-02-28 → 2026-03-27 · 3 obs
○ 2018-11-30 18:47:08
● 2026-02-28 05:55:56
● 2026-03-27 07:13:54
●A2606:4700:3030::ac43:a0f82026-02-28 → 2026-03-27 · 3 obs
○ 2018-11-30 18:47:08
● 2026-02-28 05:55:56
● 2026-03-27 07:13:54
●A2606:4700:3033::6815:f062026-02-28 → 2026-03-27 · 3 obs
○ 2018-11-30 18:47:08
● 2026-02-28 05:55:56
● 2026-03-27 07:13:54
○A45.42.94.1302018-11-30 → 2018-11-30 · 4 obs
○ 2017-02-05 13:26:34
● 2018-11-30 18:47:08
○ 2026-02-28 05:55:56
○ 2026-03-27 07:13:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...-
21yhb.comsandy.ns.cloudflare.com, michael.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.12

NS records: sandy.ns.cloudflare.com, michael.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21yhb.com (unsigned zone)

⏱️ Timing

Total: 208ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.160.248, 104.21.15.6
AAAA22606:4700:3030::ac43:a0f8, 2606:4700:3033::6815:f06
NS2michael.ns.cloudflare.com, sandy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1michael.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21yhb.com refers to four IP numbers: 2606:4700:3030::ac43:a0f8, 2606:4700:3033::6815:f06, 104.21.15.6 and 172.67.160.248.

Other host names, for instance capitsinvest.com, ccbuk.org.uk, wairarapascrap.co.nz, shop250.com and animemagazine.ru share IP numbers with 21yhb.com.

Name Servers

21yhb.com's delegation uses two name servers: michael.ns.cloudflare.com and sandy.ns.cloudflare.com.

21yhb.com uses the same name server setup as other domains, such as qdgqdz.com, mlpaotui.com, youleyuan888.com, 0110mshop.com and yhznhj.com.

21yhb.com at least partially shares name servers with other domains, including 33117s.com, (0x736578)basel.com, madinatymall.com, elcadi.net and iomi.ir.

These name servers are commonly used with jerry.ns.cloudflare.com, suzanne.ns.cloudflare.com and liv.ns.cloudflare.com.

Host names with six IP numbers:

michael.ns.cloudflare.com points to 2606:4700:58::a29f:2c0c, 2803:f800:50::6ca2:c30c, 2a06:98c1:50::ac40:230c, 108.162.195.12, 162.159.44.12 and 172.64.35.12.

sandy.ns.cloudflare.com points to 2606:4700:50::adf5:3adb, 2803:f800:50::6ca2:c0db, 2a06:98c1:50::ac40:20db, 108.162.192.219, 172.64.32.219 and 173.245.58.219.