blitzsender.com
SPF only
Google Cloud Mailgun
DNS, hosting, email and name analysis are live. Registration data, the home-page probe, the archive lookup and the other-TLD check are being fetched in the background; this page refreshes itself in a few seconds.
Registration
Fetching the registry record…
DNS
| Type | Value |
|---|---|
| NS | ns-cloud-b1.googledomains.com · ns-cloud-b2.googledomains.com · ns-cloud-b3.googledomains.com · ns-cloud-b4.googledomains.com |
| A | 216.239.32.21 |
| A | 216.239.34.21 |
| A | 216.239.36.21 |
| A | 216.239.38.21 |
| AAAA | 2001:4860:4802:32::15 |
| AAAA | 2001:4860:4802:34::15 |
| AAAA | 2001:4860:4802:36::15 |
| AAAA | 2001:4860:4802:38::15 |
| MX | 10 mxa.mailgun.org |
| MX | 10 mxb.mailgun.org |
| TXT | v=spf1 include:mailgun.org ~all |
| CAA | 0 issue "pki.goog" |
| CAA | 0 issue "letsencrypt.org" |
| SOA | ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com serial 13 |
Certificates
- First certificate seen
- 2026-10-13 22:46 UTC since dot.bi started watching
- Last certificate seen
- 2026-10-13 22:46 UTC
- Certificates observed
- 4
- Issuers
- Google Trust Services
Hosting
- IP
- 216.239.32.21
- Network
- AS15169 · GOOGLE - Google LLC, US
- Provider
- Google Cloud
- Country
- US (network registration, not server location)
- CDN
- none detected
- IPv6
- yes
Web
Probing the home page…
SPF only SPF is published but there is no DMARC policy.
- Provider
- Mailgun
- SPF
- present all: softfail
- DMARC
- missing
- DKIM
- not found common selectors only
Age
- First capture
- looking up…
- Years archived
- —
- Registry created
- —
- In dot.bi since
- 2026-10-13 · Certificate Transparency
Name analysis
Same name, other TLDs
Checking the same name on other TLDs…
History observed by dot.bi
First observed by dot.bi · source: ct