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83
Total
95
DNS
70
Email
73
Security
70
Network
100
Availability
Domainsignal.me
IPv42
IPv62
MX records0
StatusActive
Domain technical report

Contact on Signal

signal.me

Generated: 2026-08-10T07:14:46-05:00 · Cached result

IPv42
IPv62
MX0
NS2

DiagnosticsMain findings and recommendations

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

Name server redundancy20 / 20 pts · Dns

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

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

!
MX records0 / 20 pts · Mail

0 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

35 day(s) remaining.

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers8 / 35 pts · Security

2 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 connectivity35 / 35 pts · Network

AAAA availability.

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

HTTP response40 / 40 pts · Availability

HTTP/2 200

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
104.18.16.203
104.18.17.203

AAAA

2 record(s)
2606:4700::6812:11cb
2606:4700::6812:10cb

CNAME

0 record(s)

Not configured

MX

0 record(s)

Not configured

TXT

1 record(s)
"v=spf1 -all"

NS

2 record(s)
jakub.ns.cloudflare.com.
sloan.ns.cloudflare.com.

SOA

1 record(s)
jakub.ns.cloudflare.com. dns.cloudflare.com. 2410705288 10000 2400 604800 1800

CAA

0 record(s)

Not configured

DS

1 record(s)
2371 13 2 7E9A72E37FFE8E3E0578F8816B000BC322CD34FB45583994182C9742 64F23AC4

DNSKEY

2 record(s)
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==

RRSIG

5 record(s)
SOA 13 2 1800 20260811131437 20260809111437 34505 signal.me. UpiiF4m+Kjz9rIWraGwJRGg9ZKrmmxWKZsoEvOKHU8TsqSxiHyRWbTzp fMYu2tp3UMhPF5USYmDzDxlFDPqWyw==
NS 13 2 86400 20260811131437 20260809111437 34505 signal.me. 6RVvjlUwYhUkAkS0z32Cu/C5Ivc/zQsrMgMKbl8xwl1Akgc+5v3UqZGc CHMaWf3e8JAx77SXsmm/ons1E7p1HQ==
TXT 13 2 300 20260811131437 20260809111437 34505 signal.me. UrqkzwIgFEsOT+p0dhFI/2xpfCjCamgZDV17gwBlgdITMML8RF0Zp0ZA 0bSjDRv7ecQ3+b88MASvrxEv+Hp10w==
AAAA 13 2 300 20260811131437 20260809111437 34505 signal.me. TzAvPU62BjPr6hQlbJyHTn3KQDJNVH4lOosUpaazu04p5b15nLrBL7lL RcLxCwv6UrDCymb0Nui4PiphhJhwnA==
DS 8 2 3600 20260830155208 20260809145208 20481 me. j0f9VvCWMfKXBpoA2fC3TprjZTkNIY3y0Xy3rAvG+ByfQ8ApPjpE8SmZ MJZyZyfpqDcJh/EvM488zZhIhws58LCMzI5NJms3YN/UNceSdveQ+uPg NdNMC6aIgs08tOtG9NPH9Be1MXvMEMwqpa108r4PLidyy9QAlyZ2YX1J uvA=

NSEC

1 record(s)
\000.signal.me. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

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 -all

DMARC

Configured
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

DKIM

Selector x
v=DKIM1; p=

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Contact on Signal
Description
Final URL
https://signal.me/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://signal.me/
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
signal.me
Valid from
2026-06-16T22:04:52-05:00
Valid until
2026-09-14T23:04:41-05:00
Days remaining
35
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

2 active
HSTSNot detected
Content Security PolicyNot detected
X-Content-Type-OptionsImplemented
X-Frame-OptionsNot detected
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
104.18.16.203, 104.18.17.203
47,06 ms
Cloudflare
1.1.1.1
104.18.16.203, 104.18.17.203
21,01 ms
Quad9
9.9.9.9
104.18.16.203, 104.18.17.203
48,62 ms
OpenDNS
208.67.222.222
104.18.16.203, 104.18.17.203
31,46 ms
AdGuard
94.140.14.14
104.18.16.203, 104.18.17.203
40,99 ms

IP, geolocation and ASNAssociated network information

104.18.16.203

No data
success
No
country
region
city
asn
organization
isp

104.18.17.203

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

signal.me

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4023.4 ms - 
Port 587: Closed/unreachable - 4015.4 ms -

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