emailauth.openverbs.com
LiveDev UtilitiesEvaluate an SPF record against an IPv4/IPv6 address using only its literal ip4/ip6/all mechanisms. DNS-dependent mechanisms (include, a, mx, (the service's own listing text)
13/13Recent Test Calls That Worked
576 msTypical Response Time (slow end: 911 ms)
$0.004 / $0.004Listed / Actual Price: match
Same AddressPayment Address (payTo): the same on all 12 checks of the main route
2Directories Listing It
22 min agoLast Checked (2026-10-24T06:44:41Z)
Listed Vs. Actual Price
Listed = the price in the directory listing today, for the main route we test. Actual = the price that route asked for when we called it (from our signed records). Some differences are normal, like prices that depend on the request.
| Period | Listed | Actual | Result |
|---|---|---|---|
| Recent Checks | $0.004 | $0.004 | Matches Listing |
Latest Signed Records
| Signed Record | Time (UTC) | Reply | Asked For Payment Correctly | ms | Price Asked |
|---|---|---|---|---|---|
| 575e8fd0e3a1ce48255f | 2026-10-24T06:44:41Z | 402 | Yes | 193 | $0.004 |
| 573053ab459b9b83dec7 | 2026-10-24T06:14:34Z | 402 | Yes | 613 | $0.004 |
| c20f16c0db5a7690a017 | 2026-10-24T05:44:37Z | 402 | Yes | 911 | $0.004 |
| 1adeeeeba818d5f43af7 | 2026-10-24T05:14:16Z | 402 | Yes | 546 | $0.004 |
| db0c07214007fc18809b | 2026-10-24T03:52:13Z | 402 | Yes | 560 | $0.004 |
Every record is digitally signed, so anyone can verify it. More: raw data page · free quick check (JSON)