peeringdb.com

Checked 22 October 2026, 10:13 UTC · via 8.8.8.8
!Passed with warnings
30 passed 1 warning 0 failed 3 info

Registration

info

.com generic · Gandi SAS · expires 2034-07-22

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
Gandi SAS
Registered
22 July 2004
Last changed
6 May 2026
Expires
22 July 2034
Status
client transfer prohibited
Registry nameservers
ns-1505.awsdns-60.org, ns-176.awsdns-22.com, ns-1839.awsdns-37.co.uk, ns-711.awsdns-24.net
RDAP server
https://rdap.verisign.com/com/v1/

Checks

  • i
    .com is a generic TLD (gTLD)
    Generic TLD under an ICANN registry agreement: ICANN-accredited registrars, UDRP and RDAP apply.
    #1
  • ✓ TLD delegated and signed #2
    .com is delegated in the root zone and DNSSEC-signed.
  • ✓ Expires on 2034-07-22 #3
    The registration is valid until 2034-07-22 (2830 days).
  • ✓ Transfer locked #4
    Registry status: client transfer prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

ns-1505.awsdns-60.org, ns-176.awsdns-22.com, ns-1839.awsdns-37.co.uk, ns-711.awsdns-24.net

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns-1505.awsdns-60.org, ns-176.awsdns-22.com, ns-1839.awsdns-37.co.uk, ns-711.awsdns-24.net
NS in the zone
ns-1505.awsdns-60.org, ns-176.awsdns-22.com, ns-1839.awsdns-37.co.uk, ns-711.awsdns-24.net
NameserverAddressesNetwork (AS)Glue
ns-1505.awsdns-60.org205.251.197.225 2600:9000:5305:e100::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-176.awsdns-22.com205.251.192.176 2600:9000:5300:b000::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US205.251.192.176 2600:9000:5300:b000::1
ns-1839.awsdns-37.co.uk205.251.199.47 2600:9000:5307:2f00::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-711.awsdns-24.net205.251.194.199 2600:9000:5302:c700::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns-1505.awsdns-60.org, ns-176.awsdns-22.com, ns-1839.awsdns-37.co.uk, ns-711.awsdns-24.net.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ No glue needed #8
    All nameservers are outside the zone, so no glue records are needed.
  • ✓ All names resolve #9
    Every nameserver name has an address and is not an alias.
  • ✓ Nameservers in different networks #10
    The nameservers are spread over 4 IPv4 /24s and 4 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS16509 (AMAZON-02 - Amazon.com, Inc., US): 8 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.
    #11
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .com, .net, .org, .uk.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns-1505.awsdns-60.org 205.251.197.225NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-1505.awsdns-60.org 2600:9000:5305:e100::1NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-176.awsdns-22.com 205.251.192.176NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-176.awsdns-22.com 2600:9000:5300:b000::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-1839.awsdns-37.co.uk 205.251.199.47NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-1839.awsdns-37.co.uk 2600:9000:5307:2f00::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-711.awsdns-24.net 205.251.194.199NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-711.awsdns-24.net 2600:9000:5302:c700::1NOERROR, 4 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 8 nameserver addresses answered.
  • ✓ All authoritative #15
    Every responding nameserver answers authoritatively for the zone.
  • ✓ No recursion #16
    The nameservers do not answer recursive queries for other domains.
  • ✓ No version disclosed #17
    The nameservers don't reveal their software version.
  • ✓ Zone transfers refused #18
    No nameserver allows a zone transfer to the public.
  • ✓ TCP supported #19
    All nameservers answer over TCP.
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

pass

serial 1 · primary ns-711.awsdns-24.net

Found

Primary (MNAME)
ns-711.awsdns-24.net
Contact (RNAME)
awsdns-hostmaster.amazon.com
Serial
1
Refresh / retry
7200 s / 900 s
Expire
1209600 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns-1505.awsdns-60.org (205.251.197.225)1
ns-1505.awsdns-60.org (2600:9000:5305:e100::1)1
ns-176.awsdns-22.com (205.251.192.176)1
ns-176.awsdns-22.com (2600:9000:5300:b000::1)1
ns-1839.awsdns-37.co.uk (205.251.199.47)1
ns-1839.awsdns-37.co.uk (2600:9000:5307:2f00::1)1
ns-711.awsdns-24.net (205.251.194.199)1
ns-711.awsdns-24.net (2600:9000:5302:c700::1)1

Checks

  • ✓ Serial 1 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h, retry 15m, expire 14d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns-711.awsdns-24.net is one of the listed nameservers.
  • ✓ Contact awsdns-hostmaster@amazon.com #25
    The SOA RNAME awsdns-hostmaster.amazon.com means awsdns-hostmaster@amazon.com.
  • ✓ Counter serial #26
    The serial 1 is a plain counter.

DNSSEC

pass

Signed, DS published at parent

Found

Validated by resolver
yes
Signatures valid until
22 October 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
9342ECDSAP256SHA256 (13)SHA256 E3577BE04C9FD23C…yes

DNSKEY in the zone

Key tagRoleAlgorithm
12899ZSK (256)ECDSAP256SHA256 (13)
28664ZSK (256)ECDSAP256SHA256 (13)
9342KSK (257)ECDSAP256SHA256 (13)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 9342 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Short-lived signatures (online signing) #30
    Signatures are valid for 2h0m0s and created on demand; the current one was made at 2026-10-22 09:13 UTC and expires at 2026-10-22 11:28 UTC.

Records

warn

30 records at the apex

Found

Read from
205.251.197.225:53
TypeValueTTL
SOAns-711.awsdns-24.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400900
NSns-1505.awsdns-60.org.172800
NSns-176.awsdns-22.com.172800
NSns-1839.awsdns-37.co.uk.172800
NSns-711.awsdns-24.net.172800
A44.218.86.3260
A34.199.43.2760
A100.51.18.13360
A100.52.45.18060
A44.214.57.20560
A107.22.247.19460
AAAA2600:1f18:4110:b05:ac75:5b3e:2164:cfed60
AAAA2600:1f18:4110:b02:181f:e683:811:de6160
AAAA2600:1f18:4110:b03:7adf:3142:6f62:471660
AAAA2600:1f18:4110:b00:a82a:9142:15a6:dfe460
AAAA2600:1f18:4110:b04:ad2b:4e27:b017:604d60
AAAA2600:1f18:4110:b01:e92f:1a46:b1e6:7ce760
MX10 aspmx.l.google.com.86400
MX20 alt1.aspmx.l.google.com.86400
MX20 alt2.aspmx.l.google.com.86400
MX30 aspmx2.googlemail.com.86400
MX30 aspmx3.googlemail.com.86400
MX30 aspmx4.googlemail.com.86400
MX30 aspmx5.googlemail.com.86400
TXT"v=spf1 include:dpmail.peeringdb.com include:_spf.google.com include:amazonses.com include:alt.net ~all"300
CAA0 issue "amazon.com"300
CAA0 issue "amazonaws.com"300
CAA0 issue "amazontrust.com"300
CAA0 issue "awstrust.com"300
CAA0 issue "letsencrypt.org"300

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (1m), AAAA (1m). Low TTLs are useful just before a planned change.
    #32
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • i
    Wildcard record
    A random name under the zone resolves, so there is a wildcard (*) record. Typos and non-existent hosts resolve too, which can confuse mail and certificate checks.
    #34
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: amazon.com, amazonaws.com, amazontrust.com, awstrust.com, letsencrypt.org.