Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
upstreamsystems.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 07:46:59 UTC · ↺ Refresh
MX Hostnames
- ALT2.ASPMX.L.GOOGLE.com
- ASPMX2.GOOGLEMAIL.com
- ALT1.ASPMX.L.GOOGLE.com
- ASPMX3.GOOGLEMAIL.com
- ASPMX.L.GOOGLE.com
MX Priorities
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 91.241.94.101 (no PTR)
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns1.upstreamsystems.com root.upstreamsystems.com 2026032301 43200 7200 2419200 10800
Primary NS (mname)
ns1.upstreamsystems.com
Admin Email (rname)
root@upstreamsystems.com
Serial
2026032301
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
10800s
Nameservers (NS)
ns1.upstreamsystems.com
ns3.upstreamsystems.com
ns2.upstreamsystems.com
ns4.upstreamsystems.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf1.upstreamsystems.com include:_spf2.upstreamsystems.com include:servers.mcsv.net include:_spf.atlassian.net include:20379208.spf07.hubspotemail.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- BPL=2963235
- google-site-verification=oSbUzyODiCsiugGp8TjGdn1h7raEan7Auz4OpZ_u_gk
- 7wqj6wkhz12pzxy6fj7pwxd0s1fvnymy
- SPFv=spf1 include:_spf.google.com include:_spf1.upstreamsystems.com include:_spf2.upstreamsystems.com include:servers.mcsv.net include:_spf.atlassian.net include:20379208.spf07.hubspotemail.net ~all
- google-site-verification=ZLexKKkcVY21eLD6gYaLv4ssv7iNtbwYk-aL36N2Lnw
- b8k3zlnv2txtpysvdhkvsc9p18dgwrzh
- ckl1xf82w8b1p1fc72tvh5qd023zpqtp
- MS=ms10608826
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