Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nb.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 13:24:21 UTC · ↺ Refresh
MX Hostnames
- mxa-0017ae02.gslb.pphosted.com
- mx0a-0017ae02.pphosted.com
- mxb-0017ae02.gslb.pphosted.com
- mx0b-0017ae02.pphosted.com
MX Priorities
- mxa-0017ae02.gslb.pphosted.com: 100
- mx0a-0017ae02.pphosted.com: 50
- mx0b-0017ae02.pphosted.com: 50
- mxb-0017ae02.gslb.pphosted.com: 200
A / AAAA Records
- 66.119.126.150 (no PTR)
- 66.119.125.150 (no PTR)
Mail Server IPs
- 208.84.65.35 ↩ mx0a-0017ae02.pphosted.com
- 208.86.201.59 ↩ mx0b-0017ae02.pphosted.com
SOA Record
Raw SOA
ns1.nb.com hostmaster.nb.com 2026030500 3600 600 1209600 86400
Primary NS (mname)
ns1.nb.com
Admin Email (rname)
hostmaster@nb.com
Serial
2026030500
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
a13-67.akam.net
a1-140.akam.net
a8-67.akam.net
a3-66.akam.net
a16-64.akam.net
a18-65.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:208.86.201.59 ip4:208.84.65.35 ip4:34.223.36.0/24 ip4:3.93.93.0/24 a:nbspf.nb.com include:spf.protection.outlook.com include:amazonses.com include:service-now.com include:sendgrid.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
22 records- cisco-ci-domain-verification=736b79dc46215fb5fb25d25c17cea928f55778898299342d652628892ae4a4cc
- docker-verification=733b21b4-3c49-4cb0-a9ad-79ecca9589ac
- apple-domain-verification=2jeljAsLhKX5iM12
- flexera-domain-verification-eugyfywqnttxsahp
- hcp-domain-verification=c1bab57d76a542698d655138c6256d967863df9479e276247b1c4036ec76519d
- monday-com-verification=RvIGqcfE15bw0RvHt9HvoAGnMiJybTQbRZsz_AAzugg
- google-site-verification=20jx_7ARiofssdzMBkIDy9KM5rk5U1WjcgwO_xNGPCk
- onetrust-domain-verification=5ebb8a907cef4bd6a8f1448fb9fe7ecf
- onetrust-domain-verification=fcd91d6ea1e7428d88f4bf8df577d6f2
- _cldr3x6awnvtc3btvkfnbapmot73ojm
- yahoo-verification-key=MfgxKjrcOtv1cX2G7QtMUAbOiNppfTVC3b6MnfvVBHs=
- ZOOM_verify_nHoCxBR6Q4Wjs2o2aS1rjQ
- atlassian-sending-domain-verification=14a08087-7c73-4ea1-ba63-46034c7cab58
- miro-verification=d1bbddd9c46aad5d4c910a54774739305eb581a5
- atlassian-domain-verification=/x493eRdSGFVK3T5MoQCc29Avf5AsS4QvQnWRt4JvTKC0BNPiXKLRrVPz8at9qiG
- SPFv=spf1 ip4:208.86.201.59 ip4:208.84.65.35 ip4:34.223.36.0/24 ip4:3.93.93.0/24 a:nbspf.nb.com include:spf.protection.outlook.com include:amazonses.com include:service-now.com include:sendgrid.net ~all
- happeo-site-verification=8c8fb6bed0a84a68b18b993fc0a6451f
- google-site-verification=rV2UFJcf0wbmg1v0dXDEzvNkQ_5R-316IscY7YmyPbQ
- docusign=0f31744c-ea1a-406b-bc95-23b9d2751110
- ms-domain-verification=c2ad64f2-954c-41d8-a05d-182db23916c3
- adobe-idp-site-verification=ddc998cadc1e176498376a31a6839e6ea9f89c79e0e6fac521bd4f243cb86c18
- MS=ms64909659
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