WAPDNS.com

Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

72
Total
70
DNS
90
Email
81
Security
35
Network
60
Availability
Domainzsl.org
IPv42
IPv60
MX records1
StatusActive
Domain technical report

Attention Required! | Cloudflare

zsl.org

Generated: 2026-08-11T00:45:43-05:00 · Cached result

JSONCSVPDFVisit site
IPv42
IPv60
MX1
NS6

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

6 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

1 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

73 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

!
HTTP response0 / 40 pts · Availability

HTTP/2 403

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
172.66.148.166
104.20.27.209

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
0 zsl-org.mail.protection.outlook.com.

TXT

14 record(s)
"8kvkxvkm6r97cl7vksqjrrwkl0ml9fgf"
"MS=ms41955746"
"AgVz97pKHnC90Vu65edr6jODh8y6UZ6p2quY1x9Zn2LlecU6Sx2svZY5DbYzy6ol9udi39AjNR7mz84ifNzE6g=="
"v=spf1 ip4:23.249.219.163 ip4:23.249.219.164 ip4:20.157.119.69 ip4:167.98.22.132 ip4:167.98.22.155 ip4:52.138.196.70 ip4:77.73.1.172 ip4:206.187.52.202 ip4:185.58.87.40/29 ip4:185.58.87.48/31 ip4:185.58.84.40/29 ip4:185.58.84.48/31 ip4:205.201.128.0/20 ip" "4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:40.69.70.121 ip4:206.187.53.111 ip4:206.187.52.21 include:spf.protection.outlook.com include:eu.rp.oracleemaildelivery.com include:u30280139.wl140.sendgrid.net include:relay.mailchannels.net ~all"
"sophos-domain-verification=90aa4af72a394064ecdab4656ee60f887d51227621d5d88aa8341f93de36012c"
"apple-domain-verification=HMdflJFUBrW2VoTo"
"kkp5f1rq76q0ffxmzz4dyntvqqbg1b1k"
"_53nr9vpy15nunbh9o3rlhvfuigfzf3l"
"_pwpm2osoon10qaeqr9hw398fnfbr900"
"google-site-verification=ahJxzcvbCCjET8KyshDJFg420x0TMgCs-xDyoSgdMsY"
"asvdns_e2dbb317-9021-4488-abb9-6e6e9b467685"
"_j0pqa1lbaiqgi2ritsuaecnbqz83sv0"
"google-site-verification=dL4Bqrs7HhPibQoSGY21OC7rzVk67RiGyxjq1U0-VEs"
"938711737-5829823"

NS

6 record(s)
ns11.dnsmadeeasy.org.
ns10.dnsmadeeasy.org.
ns12.dnsmadeeasy.org.
ns15.dnsmadeeasy.org.
ns14.dnsmadeeasy.org.
ns13.dnsmadeeasy.org.

SOA

1 record(s)
ns10.dnsmadeeasy.org. hostmaster.zsl.org. 2017062803 43200 3600 1209600 300

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 ip4:23.249.219.163 ip4:23.249.219.164 ip4:20.157.119.69 ip4:167.98.22.132 ip4:167.98.22.155 ip4:52.138.196.70 ip4:77.73.1.172 ip4:206.187.52.202 ip4:185.58.87.40/29 ip4:185.58.87.48/31 ip4:185.58.84.40/29 ip4:185.58.84.48/31 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:40.69.70.121 ip4:206.187.53.111 ip4:206.187.52.21 include:spf.protection.outlook.com include:eu.rp.oracleemaildelivery.com include:u30280139.wl140.sendgrid.net include:relay.mailchannels.net ~all

DMARC

Configured
v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email,mailto:ict-dmarc@zsl.org;

DKIM

Selector selector2
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDT0yq/LbYfA+FzS6YQZUGdEobxmKNEsx0/OJeFgiIezU+s+KOwiPNRof9ZIV3+ofTAQ3AneJ9PITV9JPIwWOpGy6qJYu5JNYpwxa20Cg0Zg8keYEp61TMvm67OVsP+lNmyDtuz2i2DyK5kEc3P/5Gb5+z/MA8c/b8oxzXedRnLdQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Attention Required! | Cloudflare
Description
Final URL
https://www.zsl.org/
HTTP status
403

HTTP

Status
HTTP/2 403
Final URL
https://www.zsl.org/
Version
3
Server
cloudflare
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Google Trust Services
CN
zsl.org
Valid from
2026-07-25T09:57:40-05:00
Valid until
2026-10-23T10:57:39-05:00
Days remaining
73
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
104.20.27.209, 172.66.148.166
71,66 ms
Cloudflare
1.1.1.1
104.20.27.209, 172.66.148.166
27,33 ms
Quad9
9.9.9.9
104.20.27.209, 172.66.148.166
33,85 ms
OpenDNS
208.67.222.222
104.20.27.209, 172.66.148.166
71,57 ms
AdGuard
94.140.14.14
104.20.27.209, 172.66.148.166
88,44 ms

IP, geolocation and ASNAssociated network information

172.66.148.166

No data
success
No
country
region
city
asn
organization
isp

104.20.27.209

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

zsl-org.mail.protection.outlook.com

Port 25: Closed/unreachable - 44.3 ms - 
Port 465: Closed/unreachable - 4033.4 ms - 
Port 587: Closed/unreachable - 4038 ms -

Recently analyzed domains

View all →
siutica.cl4chiba.jp4googletagmanager.com66tdsynnex.com79businessfrance.fr96www.news.bbc.co.uk4maariv.co.il72fl.us4amazonaws.com78kpn.com97