IPv4 Addresses
postcodeservice.com. 901 IN A 128.140.119.21
IPv6 Addresses
postcodeservice.com. 901 IN AAAA 2A01:4F8:C012:61E7:0:0:0:1
Name Servers
postcodeservice.com. 901 IN NS ns-cloud-e1.googledomains.com. postcodeservice.com. 901 IN NS ns-cloud-e2.googledomains.com. postcodeservice.com. 901 IN NS ns-cloud-e3.googledomains.com. postcodeservice.com. 901 IN NS ns-cloud-e4.googledomains.com. postcodeservice.com. 901 IN NS ns.nscluster.es. postcodeservice.com. 901 IN NS ns.nscluster.si. postcodeservice.com. 901 IN NS ns.nscluster.uk. postcodeservice.com. 901 IN NS ns.nscluster.us.
Mail Servers
postcodeservice.com. 901 IN MX 1 aspmx.l.google.com. postcodeservice.com. 901 IN MX 5 alt2.aspmx.l.google.com. postcodeservice.com. 901 IN MX 5 alt1.aspmx.l.google.com. postcodeservice.com. 901 IN MX 10 alt3.aspmx.l.google.com. postcodeservice.com. 901 IN MX 10 alt4.aspmx.l.google.com.
SOA Details
postcodeservice.com. 901 IN SOA ns.nscluster.uk. hostmaster.nscluster.uk. 2026030600 7200 3600 1209600 901
Certificate Authority Authorization
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
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
postcodeservice.com. 901 IN DMARC v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
DKIM
postcodeservice.com. 901 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjf4Awce5c5R39ZjsAG+THXDC3VmHRSsYuS6ddRAosSg9HiqO+V5rKJDydLnxOGLlvOxBx7NiDFJE565gC56SG/89wqTASUO2cRCaERUZERTZjeCUfqPCHsRfJ2I3EBerhqJgFDHQVUiszvvh2XKfcb1s7FPOcIbEAPK5nxAwFw+8D40AzYIcTLUx85F3ktDiU0h9kZ0o77qsawU7PACfLOreK7pMVfy5AWNkbGT2E63VmYnif4xrAex6W4nOhuaEhNTsdofOowf292ejfUaH9lionxocpUKGlag+f0ea1mDTxFTCVzqzyWxpQJoS6uIM+5zh4gQdXcgABArCW/yPrQIDAQAB
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
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| + Pass | include |
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| + Pass | include |
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| + Pass | a |
—
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| ~ Softfail | all |
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postcodeservice.com. 901 IN TXT "v=spf1 include:_spf.google.com include:_spf.exactonline.nl include:emsd1.com a ~all"
MTA-STS
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
postcodeservice.com. 901 IN TXT "google-site-verification=f7T2w8K2ku1qrA5LXHzu2nGkMB4U11k-bQ0cf1TQt5g"