btfmailer.com - robtex.com
btfmailer.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:2c19🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:c1f8🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.44.25Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.193.248🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | grannbo.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2696🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grannbo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c296🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | grannbo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2296🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | grannbo.ns.cloudflare.com | ||||||
| A | 108.162.194.150🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grannbo.ns.cloudflare.com | ||||||
| A | 162.159.38.150Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grannbo.ns.cloudflare.com | ||||||
| A | 172.64.34.150🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grannbo.ns.cloudflare.com | ||||||
| NS | piotr.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bde🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | piotr.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1de🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | piotr.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21de🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | piotr.ns.cloudflare.com | ||||||
| A | 108.162.193.222🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | piotr.ns.cloudflare.com | ||||||
| A | 172.64.33.222🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | piotr.ns.cloudflare.com | ||||||
| A | 173.245.59.222🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | piotr.ns.cloudflare.com | ||||||
| MX | mx.mail.outmsg.com ⭐ | ||||||
| A | 2a01:4f9:c012:bee8::1🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK | ||||||
| PTR | mail.outmsg.com | ||||||
| A | 65.108.149.219🇫🇮 Hetzner65.108.0.0/16 HETZNER-DC | ||||||
| PTR | mail.outmsg.com | ||||||
| TXT | google-site-verification=BYM0SgNfcJ3h4dzmwLPCWCDSu1_kYmj39N6Wz4-yMio | ||||||
| TXT | v=spf1 a mx ip4:65.108.62.168 ip6:2a01:4f9:c010:d2e4:0:0:0:1 include:spf.mail... | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.44.25, 172.67.193.248 | ||||||
| IPv6 | 2606:4700:3032::6815:2c19, 2606:4700:3037::ac43:c1f8 | ||||||
| SOA | grannbo.ns.cloudflare.comdns@cloudflare.com serial=2399340816 | ||||||
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=1771291435 | ||||||
Same first word
btfmailer.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSgrannbo.ns.cloudflare.com2026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 03:04:34
●NSpiotr.ns.cloudflare.com2026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 03:04:34
●MXmx.mail.outmsg.com2026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 03:04:34
●A104.21.44.252026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 03:04:34
●A172.67.193.2482026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 03:04:34
●A2606:4700:3032::6815:2c192026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 03:04:34
●A2606:4700:3037::ac43:c1f82026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 03:04:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net... | - |
| btfmailer.com | piotr.ns.cloudflare.com, grannbo.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.194.150
NS records: piotr.ns.cloudflare.com, grannbo.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for btfmailer.com (unsigned zone)
⏱️ Timing
Total: 289ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.44.25, 172.67.193.248 |
| AAAA | 2 | 2606:4700:3037::ac43:c1f8, 2606:4700:3032::6815:2c19 |
| NS | 2 | grannbo.ns.cloudflare.com, piotr.ns.cloudflare.com |
| MX | 1 | mx.mail.outmsg.com (pri: 10) |
| TXT | 2 | google-site-verification=BYM0SgNfcJ3h4dz, v=spf1 a mx ip4:65.108.62.168 ip6:2a01:4 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | grannbo.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (piotr.ns.cloudflare.com, piotr.ns.cloudflare.com, piotr.ns.cloudflare.com...)
Analysis
IP Addresses
btfmailer.com resolves to four IP numbers: 2606:4700:3032::6815:2c19, 2606:4700:3037::ac43:c1f8, 104.21.44.25 and 172.67.193.248.
Other host names such as xache.net, yesmaxon.com, institutorosas.gob.ar, eatdirtmudrun.com and semeynaya-kuchka.ru share IPs with btfmailer.com.
Name Servers
btfmailer.com is delegated to two name servers: grannbo.ns.cloudflare.com and piotr.ns.cloudflare.com.
btfmailer.com shares the same name server setup as nedal.ws, bankrus.ru, blacktiefundllc.com, pusa.workers.dev and runechord.com.
btfmailer.com at least partially shares name servers with other domains, for instance shabakh.com, servishane.com, szwzys.com, shtjjx.com and 2019bp.com.
These name servers are commonly used with betty.ns.cloudflare.com and dexter.ns.cloudflare.com.
Host names with six IP numbers:
grannbo.ns.cloudflare.com points to 2606:4700:50::a29f:2696, 2803:f800:50::6ca2:c296, 2a06:98c1:50::ac40:2296, 108.162.194.150, 162.159.38.150 and 172.64.34.150.
piotr.ns.cloudflare.com points to 2606:4700:58::adf5:3bde, 2803:f800:50::6ca2:c1de, 2a06:98c1:50::ac40:21de, 108.162.193.222, 172.64.33.222 and 173.245.59.222.
Mail Servers
btfmailer.com is handled by a single mail server, mx.mail.outmsg.com.
btfmailer.com shares the mail server setup with other domains, for example blacktiefundllc.com and oomidi.com.
btfmailer.com shares some mail servers with other domains, at least in part, for instance outmsg.com.
these mail servers are commonly used together with mail.outmsg.com.
mx.mail.outmsg.com points to two IPs: 2a01:4f9:c012:bee8::1 and 65.108.149.219.