Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
barnesandnoble.com
Yes
โ Yes
Proofpoint
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-25 03:31:20 UTC ยท โบ Refresh
MX Hostnames
- mxb-00189e01.gslb.pphosted.com
- mxa-00189e01.gslb.pphosted.com
MX Priorities
- mxb-00189e01.gslb.pphosted.com: 10
- mxa-00189e01.gslb.pphosted.com: 10
A / AAAA Records
- 161.221.74.213 (no PTR)
Mail Server IPs
- 67.231.149.80 โฉ mx0a-00189e01.pphosted.com
- 67.231.157.76 โฉ mx0b-00189e01.pphosted.com
SOA Record
Raw SOA
pnjmasterns01.barnesandnoble.com domainadmin.book.com 2026031900 7200 3600 2592000 3600
Primary NS (mname)
pnjmasterns01.barnesandnoble.com
Admin Email (rname)
domainadmin@book.com
Serial
2026031900
Refresh
7200s
Retry
3600s
Expire
2592000s
Minimum TTL
3600s
Nameservers (NS)
a22-67.akam.net
a20-66.akam.net
a3-64.akam.net
a1-225.akam.net
a18-65.akam.net
a13-64.akam.net
SPF Record
โ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
๐ DNS lookups: 1/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- facebook-domain-verification=kip2xem6dh35kkunaf4wy0rglzntuu
- MS=ms43486183
- google-site-verification=S9HdDixcYvcC3VmBJ10vMnp2bvWo-NOEhTsz1872cwM
- apple-domain-verification=WAywMPm3MWiRw_mMX8O50IJbtwgzHiC_Hqya1dp6Hak
- globalsign-domain-verification=DC4068F72A3105BF4756F557207EE45A
- Ayj1YQOq3HE8gtQeyJmTeFmFm0CUjnCt/HTla7UP5WVhCdnXRB9rHh50aLrFLDrgAbDCPT9TcCMPhLWE1/kGpw==
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for barnesandnoble.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits