Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nsf.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 03:33:56 UTC · ↺ Refresh
MX Hostnames
- nsf-org.mail.protection.outlook.com
MX Priorities
- nsf-org.mail.protection.outlook.com: 5
A / AAAA Records
- 52.191.90.193 (no PTR)
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1155.awsdns-16.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1155.awsdns-16.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-263.awsdns-32.com
ns-950.awsdns-54.net
ns-1155.awsdns-16.org
ns-1781.awsdns-30.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.nsf.org include:_spf.google.com include:spf.protection.outlook.com include:cust-spf.exacttarget.com include:amazonses.com include:app.sgizmo.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
40 records- nerl3ba3sq6fsri6s2ef07ih6
- bjminfq1icoetq38mbkhd4hoel
- gnpbvr5h52crbq9qgqtf8sh6bc
- u3v844b3fg0ge2314ua9919r62
- MS=ms48901080
- SPFv=spf1 include:spf.nsf.org include:_spf.google.com include:spf.protection.outlook.com include:cust-spf.exacttarget.com include:amazonses.com include:app.sgizmo.com -all
- ndO7VtEdqTir+XPYpzN/wdry8O/+MwA/g1P87dmcsBtUOIwGldqpJPyPitUhbFNhDZcLy6K+7rPowA0PXcMBtA==
- 387jmbgjbgcv5n86ndh8e49jg2
- Dynatrace-site-verification=2a02c0c1-1757-479e-afae-2721d281ea3b__l3r442j0dep4nigp8on3v1ru13
- prowly-verification=163a4d39e4a1f88aabf636d968ad0d3efc064f6cf3d770b28d0acfb99783c6f7
- 1q49kqja4am9kgupqfo060qmcs
- 7b5leh2edjld7c9i456263sefh
- rrnbflrgcrk4vhg5dmku8at32p
- Dynatrace-site-verification=1a13a8eb-fcb6-4e87-bf83-27e401695586__d30facs156bcmse6bfcmhe972r
- pardot129231=04e1510eb4cfea87f7485b5685239f6f6632bda937174b8ec12daf55d23b869d
- tk9mvtl3901ffvpi0tbnsk5jqj
- safetyculture-domain-verification=68bcf875-43d2-435d-9969-dce724c47cc4
- jc6koiadq6c78a8cpfohrl467v
- 3rg3mbi7qsn9ev1pthp91j4405
- autodesk-domain-verification=ZCKDKFc4dgit10Uq-txa
- apple-domain-verification=ejgzqL39FqKVXGGH
- jc1cv69a1bejb4fna00vh2vmbb
- f8sqm95no7n8p9rnatgrb8q3q0
- o9iisp5qktr6lbgbjuen7dcp4q
- docusign=ab819224-75ac-43dd-95ae-08d69e8bd78d
- google-site-verification=mKykxWjJVpocG5TrdNzbvefPeIaLsQ0rmVZydgCBrcA
- canva-site-verification=NOFRCUS081NF0TlEGmXJcQ
- nme29mtekjtvf3vcn0vsbd92md
- AV6siBnUL8hEs4cYhMpoDmSOjc6BP/3BSSgryG/Inq3E8MbdMnh8sm8hA9NMowa9DuxCj6glwmY+ZcdRPnLNDA==
- asv=21e3a6b2c0d9bd15502f037514c25a04
- smartsheet-site-validation=DYk5QZldvWM5v01o358AYWqFZVZ1acSS
- google-site-verification=TkWGAQS0X798tQMnGqXYi-eqzbbLHecBkxF2XVbDMEw
- 434efdpcrkhm5u5sl3fk4krb3t
- MS=ms61798524
- n9dkkdqokieocf2cj6qj6b764t
- hdtp9ogk7610h5sil2tsu0499d
- msfpkey=30bevn2yzk88kcbgdzzjq31xx
- ugh449ndrp4i60l1ruv4q8aupd
- facebook-domain-verification=ry6ekuhoqql5zbowtp2vsm02cpcker
- cisco-ci-domain-verification=11353b68900088e20a40badc25ab4f09eb3096f50544b14bcbe7bd444bf52595
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