24
records
IPv4 Addresses
TTL
stackup.sh. 300 IN A 104.26.0.67 stackup.sh. 300 IN A 104.26.1.67 stackup.sh. 300 IN A 172.67.73.235
IPv6 Addresses
TTL
stackup.sh. 300 IN AAAA 2606:4700:20:0:0:0:681A:143 stackup.sh. 300 IN AAAA 2606:4700:20:0:0:0:681A:43 stackup.sh. 300 IN AAAA 2606:4700:20:0:0:0:AC43:49EB
Name Servers
TTL
stackup.sh. 1200 IN NS kristina.ns.cloudflare.com. stackup.sh. 1200 IN NS kurt.ns.cloudflare.com.
Mail Servers
TTL
20m
20m
20m
20m
20m
stackup.sh. 1200 IN MX 1 aspmx.l.google.com. stackup.sh. 1200 IN MX 5 alt1.aspmx.l.google.com. stackup.sh. 1200 IN MX 5 alt2.aspmx.l.google.com. stackup.sh. 1200 IN MX 10 alt4.aspmx.l.google.com. stackup.sh. 1200 IN MX 10 alt3.aspmx.l.google.com. stackup.sh. 1200 IN MX 15 7rkn47okjtuaio2p62izzogcu4vodlf3jwtyb7kd3ofdlridpxxa.mx-verification.google.com.
SOA Details
TTL
20m
SOA
Responsible
dns.cloudflare.com
SOA
Serial
2402693134
SOA
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
stackup.sh. 1200 IN SOA kristina.ns.cloudflare.com. dns.cloudflare.com. 2402693134 10000 2400 604800 1800
Certificate Authority Authorization
TTL
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
stackup.sh. 300 IN DMARC v=DMARC1; p=none; rua=mailto:[email protected]
DKIM
TTL
DKIM
Selector
k3
v=DKIM1
k=rsa
19m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYGiMSn7fsUq...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYGiMSn7fsUqSvfSX40x9R1OlRtbNiCY80lHRIlcKx3XDIR7257aUx+q9CSIARdfTL6KCuLGNFx5g9TgVr6png4ajcieSQGtOehBgxnkDN8aAA5TX0FmFrcefJU0JoxLOF09EKgXxhSSHCk/ekVb0PXSboHXoZ9+EI404F1qhcwXXIgHXTaUthHTut2P6BBZhIXIgvDe/w49GchR7MRJqjNb7neEBbYHbgWuBTvvHCg7Gy6m6n9krYK+ROWq3dVvXy9plAGK3ygM+HtjIiMt7arRGMOF0WgDTz7YdN9BGpt6BvXxLnjiQcgS5T9n+cIyPZgiWzDMXNlaEEdKTEKxrwIDAQAB
DKIM
Selector
k2
v=DKIM1
k=rsa
19m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOw...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA0b90ObWaLDc+i9MtTNmGeWO009hr20fIxhGg6XBT2kjZ1DTThopSe1nAndsupmcBwlQ5Q6LJ+ZAxLcujnPIxM0ZBLmgpkv8u6RfY4eFP8OLvdAW3oSuB0DyLDigQX4Sj8wBO4YIdQH6AAmBeOsidsKAFNFUCpc3vCxtBDR12U+cBg724l3sBkMQ8evnz6idnqxq9QAVYh8k4kJ+RP+6cqTdy7LjIm8xY/bQNpQIpGUAuDo2DjLcCDun9DAI4Q/3z+Q0o9QuQIDAQAB
stackup.sh. 1140 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYGiMSn7fsUqSvfSX40x9R1OlRtbNiCY80lHRIlcKx3XDIR7257aUx+q9CSIARdfTL6KCuLGNFx5g9TgVr6png4ajcieSQGtOehBgxnkDN8aAA5TX0FmFrcefJU0JoxLOF09EKgXxhSSHCk/ekVb0PXSboHXoZ9+EI404F1qhcwXXIgHXTaUthHTut2P6BBZhIXIgvDe/w49GchR7MRJqjNb7neEBbYHbgWuBTvvHCg7Gy6m6n9krYK+ROWq3dVvXy9plAGK3ygM+HtjIiMt7arRGMOF0WgDTz7YdN9BGpt6BvXxLnjiQcgS5T9n+cIyPZgiWzDMXNlaEEdKTEKxrwIDAQAB; stackup.sh. 1140 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA0b90ObWaLDc+i9MtTNmGeWO009hr20fIxhGg6XBT2kjZ1DTThopSe1nAndsupmcBwlQ5Q6LJ+ZAxLcujnPIxM0ZBLmgpkv8u6RfY4eFP8OLvdAW3oSuB0DyLDigQX4Sj8wBO4YIdQH6AAmBeOsidsKAFNFUCpc3vCxtBDR12U+cBg724l3sBkMQ8evnz6idnqxq9QAVYh8k4kJ+RP+6cqTdy7LjIm8xY/bQNpQIpGUAuDo2DjLcCDun9DAI4Q/3z+Q0o9QuQIDAQAB;
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
5m
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
5m
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|
SPF warnings
- SPF recommends the literal version token v=spf1 (lowercase, per RFC 4408)
5m
stackup.sh. 300 IN TXT "v=spf1 include:23377954.spf10.hubspotemail.net ~all" stackup.sh. 300 IN TXT "v=spf1 include:_spf.google.com ~all" stackup.sh. 300 IN TXT "v=spf1include:_spf.google.com~all"
MTA-STS
TTL
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
Text Content
TTL
ahrefs-site-verification_ea899f4608db853b1e8ab2d7bb589fe4ba9618fcc173074aafd2f77b8ba1283e
5m
google-site-verification=PvsG0ht0c-TOFY3BRCDxhDf4JqtiRMgWoYCZHgevzgE
5m
proxy-ssl.webflow.com
5m
stackup.sh. 300 IN TXT "ahrefs-site-verification_ea899f4608db853b1e8ab2d7bb589fe4ba9618fcc173074aafd2f77b8ba1283e" stackup.sh. 300 IN TXT "google-site-verification=PvsG0ht0c-TOFY3BRCDxhDf4JqtiRMgWoYCZHgevzgE" stackup.sh. 300 IN TXT "proxy-ssl.webflow.com"