mx.johnheimbuch.com - robtex.com
mx.johnheimbuch.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:802b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:b3🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.0.179Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.128.43🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.0.179, 172.67.128.43 | ||||||
| IPv6 | 2606:4700:3032::ac43:802b, 2606:4700:3033::6815:b3 | ||||||
johnheimbuch.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US | ||||||
| A | 198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US | ||||||
| A | 198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US | ||||||
| A | 198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US | ||||||
| NS | colin.ns.cloudflare.com ⭐ | ||||||
| NS | pam.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| TXT | v=spf1 ip4:66.96.128.0/18 include:websitewelcome.com include:_spf.google.com ... | ||||||
| SOA | colin.ns.cloudflare.comdns@cloudflare.com serial=2398149516 | ||||||
WOT: UNKNOWN (64/100)
MX for
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●A104.21.0.1792026-03-26 → 2026-03-26 · 2 obs
○ 2026-02-18 10:36:52
● 2026-03-26 12:09:38
● 2026-03-26 12:09:38
●A172.67.128.432026-03-26 → 2026-03-26 · 2 obs
○ 2026-02-18 10:36:52
● 2026-03-26 12:09:38
● 2026-03-26 12:09:38
●A2606:4700:3032::ac43:802b2026-03-26 → 2026-03-26 · 2 obs
○ 2026-02-18 10:36:52
● 2026-03-26 12:09:38
● 2026-03-26 12:09:38
●A2606:4700:3033::6815:b32026-03-26 → 2026-03-26 · 2 obs
○ 2026-02-18 10:36:52
● 2026-03-26 12:09:38
● 2026-03-26 12:09:38
○A66.96.140.1522026-02-15 → 2026-02-18 · 3 obs
● 2026-02-15 03:52:12
● 2026-02-18 10:36:52
○ 2026-03-26 12:09:38
● 2026-02-18 10:36:52
○ 2026-03-26 12:09:38
○A66.96.140.1532026-02-15 → 2026-02-18 · 3 obs
● 2026-02-15 03:52:12
● 2026-02-18 10:36:52
○ 2026-03-26 12:09:38
● 2026-02-18 10:36:52
○ 2026-03-26 12:09:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| johnheimbuch.com | pam.ns.cloudflare.com, colin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.138
NS records: pam.ns.cloudflare.com, colin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for johnheimbuch.com (unsigned zone)
⏱️ Timing
Total: 124ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.0.179, 172.67.128.43 |
| AAAA | 2 | 2606:4700:3033::6815:b3, 2606:4700:3032::ac43:802b |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (pam.ns.cloudflare.com, pam.ns.cloudflare.com, pam.ns.cloudflare.com...)
Analysis
Mail Server Role
mx.johnheimbuch.com serves as the mail server for johnheimbuch.com.
IP Addresses
mx.johnheimbuch.com points to four IP numbers: 2606:4700:3032::ac43:802b, 2606:4700:3033::6815:b3, 104.21.0.179 and 172.67.128.43.
Other host names including ns2.zastawka.pl, beerlawhq.com, headphonesiphone78817.canariblogs.com, 853357.com and gregoryuzdfi.canariblogs.com share IP numbers with mx.johnheimbuch.com.