pass4certs.com - robtex.com

pass4certs.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:1a9d🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:8923🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.157Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.35🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmike.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
A2803:f800:50::6ca2:c33f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmike.ns.cloudflare.com
A2a06:98c1:50::ac40:233f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmike.ns.cloudflare.com
A108.162.195.63🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
A162.159.44.63Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
A172.64.35.63🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
NSzara.ns.cloudflare.com
A2606:4700:50::adf5:3a94🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzara.ns.cloudflare.com
A2803:f800:50::6ca2:c094🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzara.ns.cloudflare.com
A2a06:98c1:50::ac40:2094🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzara.ns.cloudflare.com
A108.162.192.148🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzara.ns.cloudflare.com
A172.64.32.148🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzara.ns.cloudflare.com
A173.245.58.148🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzara.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.26.157, 172.67.137.35
IPv62606:4700:3034::6815:1a9d, 2606:4700:3034::ac43:8923
SOAmike.ns.cloudflare.comdns@cloudflare.com serial=2397142693

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=1774436597

Same first word

pass4certs.com

DNS History

13 records (6 active, 7 former)

2017201820192020202120222023202420252026NSmike.ns.cloudflare.comzara.ns.cloudflare.comns1.dnsowl.comns2.dnsowl.comns3.dnsowl.comA104.21.26.157172.67.137.352606:4700:3034::6815:1a9d2606:4700:3034::ac43:8923107.161.23.204107.191.99.114164.132.212.72167.114.213.199
●NSmike.ns.cloudflare.com2026-02-26 → 2026-03-25 · 3 obs
○ 2017-05-12 18:03:00
● 2026-02-26 16:58:32
● 2026-03-25 11:14:40
○NSns1.dnsowl.com2016-03-22 → 2017-05-12 · 4 obs
● 2016-03-22 18:25:58
● 2017-05-12 18:03:00
○ 2026-02-26 16:58:32
○ 2026-03-25 11:14:40
○NSns2.dnsowl.com2016-03-22 → 2017-05-12 · 4 obs
● 2016-03-22 18:25:58
● 2017-05-12 18:03:00
○ 2026-02-26 16:58:32
○ 2026-03-25 11:14:40
○NSns3.dnsowl.com2016-03-22 → 2017-05-12 · 4 obs
● 2016-03-22 18:25:58
● 2017-05-12 18:03:00
○ 2026-02-26 16:58:32
○ 2026-03-25 11:14:40
●NSzara.ns.cloudflare.com2026-02-26 → 2026-03-25 · 3 obs
○ 2017-05-12 18:03:00
● 2026-02-26 16:58:32
● 2026-03-25 11:14:40
●A104.21.26.1572026-02-26 → 2026-03-25 · 3 obs
○ 2017-05-12 18:03:00
● 2026-02-26 16:58:32
● 2026-03-25 11:14:40
○A107.161.23.2042016-03-22 → 2017-05-12 · 4 obs
● 2016-03-22 18:25:58
● 2017-05-12 18:03:00
○ 2026-02-26 16:58:32
○ 2026-03-25 11:14:40
○A107.191.99.1142016-03-22 → 2016-03-22 · 3 obs
● 2016-03-22 18:25:58
○ 2016-08-13 15:39:44
○ 2026-03-25 11:14:40
○A164.132.212.722016-08-13 → 2017-05-12 · 5 obs
○ 2016-03-22 18:25:58
● 2016-08-13 15:39:44
● 2017-05-12 18:03:00
○ 2026-02-26 16:58:32
○ 2026-03-25 11:14:40
○A167.114.213.1992016-03-22 → 2017-05-12 · 4 obs
● 2016-03-22 18:25:58
● 2017-05-12 18:03:00
○ 2026-02-26 16:58:32
○ 2026-03-25 11:14:40
●A172.67.137.352026-02-26 → 2026-03-25 · 3 obs
○ 2017-05-12 18:03:00
● 2026-02-26 16:58:32
● 2026-03-25 11:14:40
●A2606:4700:3034::6815:1a9d2026-02-26 → 2026-03-25 · 3 obs
○ 2017-05-12 18:03:00
● 2026-02-26 16:58:32
● 2026-03-25 11:14:40
●A2606:4700:3034::ac43:89232026-02-26 → 2026-03-25 · 3 obs
○ 2017-05-12 18:03:00
● 2026-02-26 16:58:32
● 2026-03-25 11:14:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...-
pass4certs.comzara.ns.cloudflare.com, mike.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.148

NS records: zara.ns.cloudflare.com, mike.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pass4certs.com (unsigned zone)

⏱️ Timing

Total: 251ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.137.35, 104.21.26.157
AAAA22606:4700:3034::ac43:8923, 2606:4700:3034::6815:1a9d
NS2mike.ns.cloudflare.com, zara.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1mike.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

pass4certs.com points to four IP numbers: 2606:4700:3034::6815:1a9d, 2606:4700:3034::ac43:8923, 104.21.26.157 and 172.67.137.35.

For instance, other host names erpwin.com, thestacker.com, resizeimage.io, busonlineticket.sg and mymixradio.net share IP numbers with pass4certs.com.

Name Servers

pass4certs.com is delegated to two name servers: mike.ns.cloudflare.com and zara.ns.cloudflare.com.

pass4certs.com uses the same name server setup as other domains such as asiriyam.com, prorazborkyavto.ru, megadump.net, instant9-3cryppro.com and coreurl.app.

pass4certs.com shares name servers with other domains at least partially, for example subys.com, nassauleac.org, clinmedica.com.tr, mobilla.in and findercasa.com.

These name servers are commonly used with the name servers treasure.ns.cloudflare.com and laura.ns.cloudflare.com.

Host names with six IP numbers: host name mike.ns.cloudflare.com points to: 2606:4700:58::a29f:2c3f, 2803:f800:50::6ca2:c33f, 2a06:98c1:50::ac40:233f, 108.162.195.63, 162.159.44.63 and 172.64.35.63; host name zara.ns.cloudflare.com points to: 2606:4700:50::adf5:3a94, 2803:f800:50::6ca2:c094, 2a06:98c1:50::ac40:2094, 108.162.192.148, 172.64.32.148 and 173.245.58.148.