551zf.net - robtex.com

551zf.net

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3ac1🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:a372🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.58.193Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.163.114🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSguss.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bac🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A2803:f800:50::6ca2:c1ac🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRguss.ns.cloudflare.com
A2a06:98c1:50::ac40:21ac🇺🇸 Cloudflare2a06:98c1:50::/45
PTRguss.ns.cloudflare.com
A108.162.193.172🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A172.64.33.172🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A173.245.59.172🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
NSmonroe.ns.cloudflare.com
A2606:4700:50::a29f:2699🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
A2803:f800:50::6ca2:c299🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmonroe.ns.cloudflare.com
A2a06:98c1:50::ac40:2299🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmonroe.ns.cloudflare.com
A108.162.194.153🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
A162.159.38.153Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
A172.64.34.153🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.58.193, 172.67.163.114
IPv62606:4700:3032::6815:3ac1, 2606:4700:3034::ac43:a372
SOAguss.ns.cloudflare.comdns@cloudflare.com serial=2396916705

net

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=1774818417

Same first word

551zf.net

Similar names

155zf.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSguss.ns.cloudflare.commonroe.ns.cloudflare.comns1.registrant-verification.ispapi.netns15.xincache.comns16.xincache.comns2.registrant-verification.ispapi.netns3.registrant-verification.ispapi.netA104.21.58.193172.67.163.1142606:4700:3032::6815:3ac12606:4700:3034::ac43:a372172.64.80.161.155.154.7984.200.110.123
●NSguss.ns.cloudflare.com2026-03-07 → 2026-03-29 · 3 obs
○ 2020-01-02 23:06:08
● 2026-03-07 15:16:06
● 2026-03-29 21:33:34
●NSmonroe.ns.cloudflare.com2026-03-07 → 2026-03-29 · 3 obs
○ 2020-01-02 23:06:08
● 2026-03-07 15:16:06
● 2026-03-29 21:33:34
○NSns1.registrant-verification.ispapi.net2020-01-02 → 2020-01-02 · 4 obs
○ 2017-02-10 03:07:20
● 2020-01-02 23:06:08
○ 2026-03-07 15:16:06
○ 2026-03-29 21:33:34
○NSns15.xincache.com2015-06-22 → 2017-02-10 · 4 obs
● 2015-06-22 01:51:12
● 2017-02-10 03:07:20
○ 2020-01-02 23:06:08
○ 2026-03-29 21:33:34
○NSns16.xincache.com2015-06-22 → 2017-02-10 · 4 obs
● 2015-06-22 01:51:12
● 2017-02-10 03:07:20
○ 2020-01-02 23:06:08
○ 2026-03-29 21:33:34
○NSns2.registrant-verification.ispapi.net2020-01-02 → 2020-01-02 · 4 obs
○ 2017-02-10 03:07:20
● 2020-01-02 23:06:08
○ 2026-03-07 15:16:06
○ 2026-03-29 21:33:34
○NSns3.registrant-verification.ispapi.net2020-01-02 → 2020-01-02 · 4 obs
○ 2017-02-10 03:07:20
● 2020-01-02 23:06:08
○ 2026-03-07 15:16:06
○ 2026-03-29 21:33:34
●A104.21.58.1932026-03-07 → 2026-03-29 · 6 obs
○ 2020-01-02 23:06:08
● 2026-03-07 15:16:06
● 2026-03-19 09:13:24
○ 2026-03-19 10:06:48
● 2026-03-19 11:20:56
● 2026-03-29 21:33:34
○A172.64.80.12026-03-19 → 2026-03-19 · 4 obs
○ 2026-03-19 09:13:24
● 2026-03-19 10:06:48
○ 2026-03-19 11:20:56
○ 2026-03-29 21:33:34
●A172.67.163.1142026-03-07 → 2026-03-29 · 6 obs
○ 2020-01-02 23:06:08
● 2026-03-07 15:16:06
● 2026-03-19 09:13:24
○ 2026-03-19 10:06:48
● 2026-03-19 11:20:56
● 2026-03-29 21:33:34
●A2606:4700:3032::6815:3ac12026-03-07 → 2026-03-29 · 3 obs
○ 2020-01-02 23:06:08
● 2026-03-07 15:16:06
● 2026-03-29 21:33:34
●A2606:4700:3034::ac43:a3722026-03-07 → 2026-03-29 · 3 obs
○ 2020-01-02 23:06:08
● 2026-03-07 15:16:06
● 2026-03-29 21:33:34
○A61.155.154.792015-06-22 → 2017-02-10 · 4 obs
● 2015-06-22 01:51:12
● 2017-02-10 03:07:20
○ 2020-01-02 23:06:08
○ 2026-03-29 21:33:34
○A84.200.110.1232020-01-02 → 2020-01-02 · 4 obs
○ 2017-02-10 03:07:20
● 2020-01-02 23:06:08
○ 2026-03-07 15:16:06
○ 2026-03-29 21:33:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neti.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net...-
551zf.netguss.ns.cloudflare.com, monroe.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.153

NS records: guss.ns.cloudflare.com, monroe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 551zf.net (unsigned zone)

⏱️ Timing

Total: 431ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.58.193, 172.67.163.114
AAAA22606:4700:3034::ac43:a372, 2606:4700:3032::6815:3ac1
NS2guss.ns.cloudflare.com, monroe.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1guss.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

551zf.net maps to four IP numbers: 2606:4700:3032::6815:3ac1, 2606:4700:3034::ac43:a372, 104.21.58.193 and 172.67.163.114.

Other host names, for instance www.bucataras.ro, www.daawatulhaq.com, ezzemedia.com, assistenzacolcuore.it and daawatulhaq.com share IP numbers with 551zf.net.

Name Servers

Two name servers guss.ns.cloudflare.com and monroe.ns.cloudflare.com handle delegation for 551zf.net.

551zf.net uses the same name server setup as other domains, for example xxynp.com, dhmfund.com, sowaibao.com, new1319.com and jhyjnj.com.

551zf.net partially shares name servers with other domains; examples include spanishties.com, 463600.net, efkonia-consulting.com, parkpressprinters.com and mbtinow.com.

These name servers are commonly used with emerie.ns.cloudflare.com, rodrigo.ns.cloudflare.com and chad.ns.cloudflare.com.

Host names with six IP numbers: guss.ns.cloudflare.com points to: 2606:4700:58::adf5:3bac, 2803:f800:50::6ca2:c1ac, 2a06:98c1:50::ac40:21ac, 108.162.193.172, 172.64.33.172 and 173.245.59.172; monroe.ns.cloudflare.com points to: 2606:4700:50::a29f:2699, 2803:f800:50::6ca2:c299, 2a06:98c1:50::ac40:2299, 108.162.194.153, 162.159.38.153 and 172.64.34.153.