johncostanzo.com - robtex.com
johncostanzo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:815f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:2a0🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.2.160Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.129.95🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | gwen.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3aa0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gwen.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0a0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gwen.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20a0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gwen.ns.cloudflare.com | ||||||
| A | 108.162.192.160🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gwen.ns.cloudflare.com | ||||||
| A | 172.64.32.160🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gwen.ns.cloudflare.com | ||||||
| A | 173.245.58.160🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gwen.ns.cloudflare.com | ||||||
| NS | jose.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c58🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jose.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c358🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jose.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2358🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jose.ns.cloudflare.com | ||||||
| A | 108.162.195.88🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jose.ns.cloudflare.com | ||||||
| A | 162.159.44.88Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jose.ns.cloudflare.com | ||||||
| A | 172.64.35.88🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jose.ns.cloudflare.com | ||||||
| MX | route3.mx.cloudflare.net ⭐ | ||||||
| A | 2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| MX | route2.mx.cloudflare.net(30) | ||||||
| A | 2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| MX | route1.mx.cloudflare.net(67) | ||||||
| A | 2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.2.160, 172.67.129.95 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:815f, 2606:4700:3036::6815:2a0 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=161, name=cloudflare-ech.com | ||||||
| SOA | gwen.ns.cloudflare.comdns@cloudflare.com serial=2402259776 | ||||||
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.netnstld@verisign-grs.com serial=1777314841 | ||||||
Same first word
johncostanzo.com |
DNS History
17 records (9 active, 8 former)
●NSgwen.ns.cloudflare.com2026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 03:49:04
● 2026-04-27 18:37:14
●NSjose.ns.cloudflare.com2026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 03:49:04
● 2026-04-27 18:37:14
○NSns49.domaincontrol.com2016-07-03 → 2017-02-15 · 4 obs
● 2017-02-15 10:28:08
○ 2019-08-16 16:14:54
○ 2026-04-27 18:37:14
○NSns50.domaincontrol.com2016-07-03 → 2017-02-15 · 4 obs
● 2017-02-15 10:28:08
○ 2019-08-16 16:14:54
○ 2026-04-27 18:37:14
○NSns59.domaincontrol.com2019-08-16 → 2019-08-16 · 4 obs
● 2019-08-16 16:14:54
○ 2019-12-01 02:29:16
○ 2026-04-27 18:37:14
○NSns60.domaincontrol.com2019-08-16 → 2019-08-16 · 4 obs
● 2019-08-16 16:14:54
○ 2019-12-01 02:29:16
○ 2026-04-27 18:37:14
○MXmailstore1.secureserver.net2016-07-03 → 2017-02-15 · 4 obs
● 2017-02-15 10:28:08
○ 2019-08-16 16:14:54
○ 2026-04-27 18:37:14
●MXroute1.mx.cloudflare.net2026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 03:49:04
● 2026-04-27 18:37:14
●MXroute2.mx.cloudflare.net2026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 03:49:04
● 2026-04-27 18:37:14
●MXroute3.mx.cloudflare.net2026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 03:49:04
● 2026-04-27 18:37:14
○MXsmtp.secureserver.net2016-07-03 → 2017-02-15 · 4 obs
● 2017-02-15 10:28:08
○ 2019-08-16 16:14:54
○ 2026-04-27 18:37:14
●A104.21.2.1602026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 03:49:04
● 2026-04-27 18:37:14
●A172.67.129.952026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 03:49:04
● 2026-04-27 18:37:14
●A2606:4700:3031::ac43:815f2026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 03:49:04
● 2026-04-27 18:37:14
●A2606:4700:3036::6815:2a02026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 03:49:04
● 2026-04-27 18:37:14
○A50.63.202.62016-07-03 → 2017-02-15 · 4 obs
● 2017-02-15 10:28:08
○ 2019-08-16 16:14:54
○ 2026-04-27 18:37:14
○A50.63.202.652019-08-16 → 2019-08-16 · 4 obs
● 2019-08-16 16:14:54
○ 2019-12-01 02:29:16
○ 2026-04-27 18:37:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net... | - |
| johncostanzo.com | gwen.ns.cloudflare.com, jose.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.88
NS records: gwen.ns.cloudflare.com, jose.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 342ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.129.95, 104.21.2.160 |
| AAAA | 2 | 2606:4700:3036::6815:2a0, 2606:4700:3031::ac43:815f |
| NS | 2 | gwen.ns.cloudflare.com, jose.ns.cloudflare.com |
| MX | 3 | route3.mx.cloudflare.net (pri: 16), route2.mx.cloudflare.net (pri: 30)... |
| TXT | 1 | v=spf1 include:_spf.mx.cloudflare.net -a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | gwen.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (gwen.ns.cloudflare.com, gwen.ns.cloudflare.com, gwen.ns.cloudflare.com...)
Analysis
IP Addresses
johncostanzo.com maps to four IP numbers: 2606:4700:3031::ac43:815f, 2606:4700:3036::6815:2a0, 104.21.2.160 and 172.67.129.95.
Other host names, for instance stephaniesain.com, gem88.farm, herbno1.com, www.oracleoaec.net and breixmdldvvfa.website share IP numbers with johncostanzo.com.
Name Servers
Two name servers gwen.ns.cloudflare.com and jose.ns.cloudflare.com are delegated to johncostanzo.com.
johncostanzo.com uses the same name server configuration as other domains, such as xstratanickel.ca, sqdi.ca, geomeer.ca, hydrex.fi and jimgreenfrance.com.
johncostanzo.com at least partially shares name servers with other domains such as muchomattress.com, zszhishun.com, ronanhoussin.fr, sellunitysourcecode.com and captcha-verified.cfd.
These name servers are commonly used with theo.ns.cloudflare.com, dana.ns.cloudflare.com, bella.ns.cloudflare.com and novalee.ns.cloudflare.com.
Host names with six IP numbers: Host name gwen.ns.cloudflare.com points to 2606:4700:50::adf5:3aa0, 2803:f800:50::6ca2:c0a0, 2a06:98c1:50::ac40:20a0, 108.162.192.160, 172.64.32.160 and 173.245.58.160; host name jose.ns.cloudflare.com points to 2606:4700:58::a29f:2c58, 2803:f800:50::6ca2:c358, 2a06:98c1:50::ac40:2358, 108.162.195.88, 162.159.44.88 and 172.64.35.88.
Mail Servers
johncostanzo.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
johncostanzo.com shares mail servers with other domains at least in part, for instance hipmikalimantantimur.org, medusis.com, outdoorexperten.fi, card.ie and souqx.com.
Host names with six IP numbers:
route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.
route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.
route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.