slatestarcodex.com
!Passed with warnings
27 passed
1 warning
0 failed
3 info
Registration
info.com generic · Launchpad.com Inc. · expires 2027-02-06
Found
- TLD
- .com (generic)
- ICANN policies apply
- yes
- Registrar
- Launchpad.com Inc.
- Registered
- 6 February 2013
- Last changed
- 22 January 2026
- Expires
- 6 February 2027
- Status
- client transfer prohibited
- Registry nameservers
- ns-1139.awsdns-14.org, ns-1917.awsdns-47.co.uk, ns-31.awsdns-03.com, ns-792.awsdns-35.net
- RDAP server
- https://rdap.verisign.com/com/v1/
Checks
-
i#1.com is a generic TLD (gTLD)
-
✓ TLD delegated and signed #2
-
✓ Expires on 2027-02-06 #3
-
✓ Transfer locked #4
-
✓ Registry and delegation match #5
Delegation
infons-1139.awsdns-14.org, ns-1917.awsdns-47.co.uk, ns-31.awsdns-03.com, ns-792.awsdns-35.net
Found
- Parent zone
- com
- Delegation from
- a.gtld-servers.net (192.5.6.30)
- NS at the parent
- ns-1139.awsdns-14.org, ns-1917.awsdns-47.co.uk, ns-31.awsdns-03.com, ns-792.awsdns-35.net
- NS in the zone
- ns-1139.awsdns-14.org, ns-1917.awsdns-47.co.uk, ns-31.awsdns-03.com, ns-792.awsdns-35.net
| Nameserver | Addresses | Network (AS) | Glue |
|---|---|---|---|
| ns-1139.awsdns-14.org | 205.251.196.115 2600:9000:5304:7300::1 | AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US | - |
| ns-1917.awsdns-47.co.uk | 205.251.199.125 2600:9000:5307:7d00::1 | AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US | - |
| ns-31.awsdns-03.com | 205.251.192.31 2600:9000:5300:1f00::1 | AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US | 205.251.192.31 2600:9000:5300:1f00::1 |
| ns-792.awsdns-35.net | 205.251.195.24 2600:9000:5303:1800::1 | AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US | - |
Checks
-
✓ 4 nameservers #6
-
✓ Parent and zone agree #7
-
✓ No glue needed #8
-
✓ All names resolve #9
-
✓ Nameservers in different networks #10
-
i#11All nameservers in one AS
-
✓ Nameserver names under 4 TLDs #12
-
✓ All reachable over IPv6 #13
Nameservers
pass8 of 8 addresses answer authoritatively
Found
| Nameserver | Answer | Recursion | TCP / EDNS | AXFR | Version |
|---|---|---|---|---|---|
| ns-1139.awsdns-14.org 205.251.196.115 | NOERROR, 3 ms, authoritative | no | yes / yes | refused | - |
| ns-1139.awsdns-14.org 2600:9000:5304:7300::1 | NOERROR, 4 ms, authoritative | no | yes / yes | refused | - |
| ns-1917.awsdns-47.co.uk 205.251.199.125 | NOERROR, 9 ms, authoritative | no | yes / yes | refused | - |
| ns-1917.awsdns-47.co.uk 2600:9000:5307:7d00::1 | NOERROR, 9 ms, authoritative | no | yes / yes | refused | - |
| ns-31.awsdns-03.com 205.251.192.31 | NOERROR, 9 ms, authoritative | no | yes / yes | refused | - |
| ns-31.awsdns-03.com 2600:9000:5300:1f00::1 | NOERROR, 12 ms, authoritative | no | yes / yes | refused | - |
| ns-792.awsdns-35.net 205.251.195.24 | NOERROR, 3 ms, authoritative | no | yes / yes | refused | - |
| ns-792.awsdns-35.net 2600:9000:5303:1800::1 | NOERROR, 7 ms, authoritative | no | yes / yes | refused | - |
Checks
-
✓ All respond #14
-
✓ All authoritative #15
-
✓ No recursion #16
-
✓ No version disclosed #17
-
✓ Zone transfers refused #18
-
✓ TCP supported #19
-
✓ EDNS supported #20
-
✓ Public addresses #21
SOA
passserial 1 · primary ns-1139.awsdns-14.org
Found
- Primary (MNAME)
- ns-1139.awsdns-14.org
- Contact (RNAME)
- awsdns-hostmaster.amazon.com
- Serial
- 1
- Refresh / retry
- 7200 s / 900 s
- Expire
- 1209600 s
- Negative TTL
- 86400 s
Serial per nameserver
| Nameserver | Serial |
|---|---|
| ns-1139.awsdns-14.org (205.251.196.115) | 1 |
| ns-1139.awsdns-14.org (2600:9000:5304:7300::1) | 1 |
| ns-1917.awsdns-47.co.uk (205.251.199.125) | 1 |
| ns-1917.awsdns-47.co.uk (2600:9000:5307:7d00::1) | 1 |
| ns-31.awsdns-03.com (205.251.192.31) | 1 |
| ns-31.awsdns-03.com (2600:9000:5300:1f00::1) | 1 |
| ns-792.awsdns-35.net (205.251.195.24) | 1 |
| ns-792.awsdns-35.net (2600:9000:5303:1800::1) | 1 |
Checks
-
✓ Serial 1 everywhere #22
-
✓ Timers within recommendations #23
-
✓ Primary is a public nameserver #24
-
✓ Contact awsdns-hostmaster@amazon.com #25
-
✓ Counter serial #26
DNSSEC
warnNot signed
Found
- Validated by resolver
- no
Checks
-
!#27Not signed
Records
info8 records at the apex
Found
- Read from
- 205.251.196.115:53
| Type | Value | TTL |
|---|---|---|
| SOA | ns-1139.awsdns-14.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400 | 900 |
| NS | ns-1139.awsdns-14.org. | 172800 |
| NS | ns-1917.awsdns-47.co.uk. | 172800 |
| NS | ns-31.awsdns-03.com. | 172800 |
| NS | ns-792.awsdns-35.net. | 172800 |
| A | 35.185.13.110 | 300 |
| MX | 0 mail.trikeapps.com. | 300 |
| TXT | "v=spf1 mx include:_spf.google.com ip4:173.230.150.160 include:sendgrid.net include:mailgun.org ~all" | 300 |
Checks
-
✓ TTLs within range #32
-
✓ No CNAME at the apex #33
-
✓ No wildcard #34
-
i#35No CAA records