usgbc.org

Valid Email Server
Domain Lookup › usgbc.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
usgbc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 15:42:38 UTC · ↺ Refresh

MX Hostnames

  • usgbc-org.mail.protection.outlook.com

MX Priorities

  • usgbc-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.66.134.150 (no PTR)
  • 172.66.140.116 (no PTR)
  • 2606:4700:10::ac42:8696
  • 2606:4700:10::ac42:8c74

Mail Server IPs

  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA art.ns.cloudflare.com dns.cloudflare.com 2399901997 10000 2400 604800 1800
Primary NS (mname)
art.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399901997
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nina.ns.cloudflare.com
art.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:66.150.113.91/32 ip4:72.32.154.0/24 ip4:72.32.217.0/24 ip4:72.32.243.0/24 ip4:185.28.196.0/22 ip4:192.28.128.0/18 ip4:103.237.104.0/22 ip4:130.248.172.0/24 ip4:130.248.173.0/24 include:et._spf.pardot.com include:cvent-planner.com include:cust-spf.exacttarget.com include:spf.mandrillapp.com include:_spf2.elasticemail.com include:_spf3.elasticemail.com include:emailsrvr.com include:spf.protection.outlook.com include:spf.mbsrvs.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=d;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 4 found
mail._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

27 records
  • atlassian-domain-verification=GVLfB3Ld6wcglQaObTuNIiK5eIw2aXP7keKvRyRE5ZmXP6OKdXMqKfANHhMKWvis
  • MS=ms99119295
  • smartsheet-site-validation=xIoKZ_leTYDB8y7fIltH6itfsE5Icd8l
  • DKIMv=DKIM1;t=s;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCn798hW2rMZm+iW7EEsbQsjR7t57KWQ2S46HERkBnr5OOe9ZWDT/hyisxVx8tEhMY6J1L7A8QDjVoHT5b3uiQ1N3ffBF6/UVC76lkter2YG/b41jDARWkayAPoV7ZFDzHe2R4ew6tJiwYuWm7GOBQlnOz9WP1y/NutnVr74aVMuQIDAQAB
  • v=verifydomain MS=ms41471662
  • blitz=mu-d6a2e3e2-f4c0e8a1-59115055-321b6c2f
  • 7116e21ec95141e39a59775f806806ea
  • notion-domain-verification=gUQ4adR8LUaHLVKlIY6dpfzqRR6D65TmWP8ie7Hgydh
  • 133c4af53f09da02aa4f4af0d400bddd8234aec03c4982a7e2f265103d9c7fcc
  • pardot413862=2dc49ff8d20c5c54d0aad6674f401b58ce2e7f5c93ac4161ae8002a296e64dd3
  • 00d400000009uedeau
  • ufTTHKbjEAwsJuNCvvsUBrS0h+HPlhUiMOuAkxI6juBoCExL5eejSSyNqJXeyMVqNRJ7IdB/yPMepgVwApY1Gg==
  • anthropic-domain-verification-6e0aj4=KlQL33en8pr1Ee83UUt8iQbsI
  • google-site-verification=_5Ff80ZihUQ4Boj_EQPG0a2OdwNZ34XmPTNSUDqzUJU
  • dropbox-domain-verification=kewrkh6e1rpa
  • google-site-verification=aZwjgbxwI66QRPXZLYsIGq9V7mdcNQnwhIJej_fNjOY
  • smartsheet-site-validation=j3b6yGdRPH6BxLgNVcRDh5-vR1ZM3HDm
  • miro-verification=84bc4563ae07463018d23c0509b9cdd47a1d0de2
  • blitz=mu-82bbced8-545e6867-9f252e8d-9d534997
  • google-site-verification=_7X8df_j_-cvvSNq8c7L6z8oRAlQqos8R-iSQyl1E0Y
  • SPFv=spf1 ip4:66.150.113.91/32 ip4:72.32.154.0/24 ip4:72.32.217.0/24 ip4:72.32.243.0/24 ip4:185.28.196.0/22 ip4:192.28.128.0/18 ip4:103.237.104.0/22 ip4:130.248.172.0/24 ip4:130.248.173.0/24 include:et._spf.pardot.com include:cvent-planner.com include:cust-spf.exacttarget.com include:spf.mandrillapp.com include:_spf2.elasticemail.com include:_spf3.elasticemail.com include:emailsrvr.com include:spf.protection.outlook.com include:spf.mbsrvs.com -all
  • atlassian-domain-verification=wIX9Gbo0fgTYgFcEEjMWKgdWaj6C79AhoTJwuwI6LxdmW0r6PhSVHxXuQglZCGko
  • sophos-domain-verification=ca7be9b5058c2ba7ea511d8dfee0199c3ceb3e5abf969f674d947d788a0c034d
  • IepxpxUACWbaekmBNvlGHQXmXpFGV8Rz72pk+VmKiY7reCIcthTDjy43C3qJJ2mnXGO0Zw0nKzVGGYTiSYhayQ==
  • google-site-verification=rftUr-nz71pFfL2BeXYb4v7drtHudo9c3UnZdIAWD1w
  • figma-domain-verification=004a2a95ce6cff6448a3495dc96389bfc437b235e3ac0ba962447ad5f93404df-1755523473
  • google-site-verification=HzApLQOl-d4MlUIFd0mRuYNazmSkRasVekRVuY0uYRI
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