Domain technical report
Easiest Online SignUp Sheets | SignUp.com
signup.com
Save time with online SignUp sheets and free coordination solutions for schools, churches, teams, nonprofits and businesses.
IPv42
IPv60
MX5
NS6
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84
Total
75
DNS
90
Email
81
Security
65
Network
100
Availability
Domainsignup.com
IPv42
IPv60
MX records5
StatusActive
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 policy5 / 5 pts · Dns
Certificate authority restriction.
DNS propagation10 / 10 pts · Dns
Agreement between public resolvers.
MX records20 / 20 pts · Mail
5 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
71 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers16 / 35 pts · Security
4 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: ec2-54-243-137-103.compute-1.amazonaws.com
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 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)54.243.137.103 44.214.130.45
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
5 record(s)10 aspmx2.googlemail.com. 1 aspmx.l.google.com. 5 alt2.aspmx.l.google.com. 10 aspmx3.googlemail.com. 5 alt1.aspmx.l.google.com.
TXT
4 record(s)"yahoo-verification-key=0OoEEKaoACaTCPbi+oJDhk7COPJ43aVe/uQC1SVvJsg=" "facebook-domain-verification=zlevm4c81tzge2ckex4c9dal0bugku" "00906776" "v=spf1 mx include:_spf.google.com include:email-od.com ip4:142.0.176.0/20 ~all"
NS
6 record(s)ns61.constellix.net. ns51.constellix.net. ns31.constellix.com. ns41.constellix.net. ns11.constellix.com. ns21.constellix.com.
SOA
1 record(s)ns11.constellix.com. dns.constellix.com. 2015010161 43200 3600 1209600 180
CAA
2 record(s)0 issue "amazon.com" 0 iodef "mailto:production@signup.com"
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
Configuredv=spf1 mx include:_spf.google.com include:email-od.com ip4:142.0.176.0/20 ~all
DMARC
Configuredv=DMARC1; p=none; sp=none; rua=mailto:re+v5p8nq29aj3@inbound.dmarcdigests.com; ruf=mailto:forensic@signup.com; aspf=r; pct=100
DKIM
Selector googlev=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAibi7Fo4qANLIN4GBaw+xqJs5JH/Dr9x1lBVraaO2UTnsfB/eVgTJNIT+VB7xUR5mLMFyN/HCZqMmzeFBk84uJifSHje2/so6b/HXL5r6GKa910PP1Pdy2ZIw7DxVt0PqHZHK088c+2zPiJVN/cqM3aiG5ZjjGXfnE94jYMX6BjGyFmFxDJUqWIYxkKQwr6Y0wZMjK5a1xlh3m5Zd0 MCZigeWx/Ty4NZRteJs5IqXg86mGfEvK+enqIvHxVl5sPcTD4+OLv0ryWpgHDS22A4p5Qc3D7Spi3vvkVr0ptaMjmMYnEOdqdGaEteYdPydRufVO874OGCb/o9gOIhVlCSw/QIDAQAB
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Easiest Online SignUp Sheets | SignUp.com
Description
Save time with online SignUp sheets and free coordination solutions for schools, churches, teams, nonprofits and businesses.
Final URL
https://signup.com/
HTTP status
206
HTTP
Status
HTTP/2 200
Final URL
https://signup.com/
Version
3
Server
Apache
X-Powered-By
Phusion Passenger(R) 6.0.18
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Amazon
CN
signup.com
Valid from
2026-04-05T19:00:00-05:00
Valid until
2026-10-20T18:59:59-05:00
Days remaining
71
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Security headers
4 activeHSTSImplemented
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.844.214.130.45, 54.243.137.103
49,15 ms
Cloudflare
1.1.1.144.214.130.45, 54.243.137.103
32,53 ms
Quad9
9.9.9.944.214.130.45, 54.243.137.103
35,39 ms
OpenDNS
208.67.222.22244.214.130.45, 54.243.137.103
45,01 ms
AdGuard
94.140.14.1444.214.130.45, 54.243.137.103
63,92 ms
IP, geolocation and ASNAssociated network information
54.243.137.103
No datasuccess
No
country
region
city
asn
organization
isp
44.214.130.45
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
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
aspmx2.googlemail.com
Port 25: Closed/unreachable - 22.9 ms - Port 465: Closed/unreachable - 4043.3 ms - Port 587: Closed/unreachable - 4021 ms -