jal.com

Checked 22 October 2026, 09:23 UTC · via 8.8.8.8
✗Problems found
25 passed 2 warnings 1 failed 3 info

Registration

info

.com generic · 1API GmbH · expires 2027-01-22

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
1API GmbH
Registered
21 January 1995
Last changed
6 January 2026
Expires
22 January 2027
Status
client transfer prohibited
Registry nameservers
ns019-248anjmhlotnrdqt.2.d-53.info, ns019-248anjmhlotnrdqt.2.d-53.jp, ns019-248anjmhlotnrdqt.2.d-53.org
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 2027-01-22 #3
    The registration is valid until 2027-01-22 (91 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

pass

ns019-248anjmhlotnrdqt.2.d-53.info, ns019-248anjmhlotnrdqt.2.d-53.jp, ns019-248anjmhlotnrdqt.2.d-53.org

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns019-248anjmhlotnrdqt.2.d-53.info, ns019-248anjmhlotnrdqt.2.d-53.jp, ns019-248anjmhlotnrdqt.2.d-53.org
NS in the zone
ns019-248anjmhlotnrdqt.2.d-53.info, ns019-248anjmhlotnrdqt.2.d-53.jp, ns019-248anjmhlotnrdqt.2.d-53.org
NameserverAddressesNetwork (AS)Glue
ns019-248anjmhlotnrdqt.2.d-53.info202.32.219.50 2001:240:bb81::28:50AS2497 IIJ - Internet Initiative Japan Inc., JP AS2497 IIJ - Internet Initiative Japan Inc., JP-
ns019-248anjmhlotnrdqt.2.d-53.jp203.180.146.110 162.159.26.140 162.159.27.213 2400:cb00:2049:1::a29f:1a8c 2001:240:bb81::29:1110 2400:cb00:2049:1::a29f:1bd5AS2497 IIJ - Internet Initiative Japan Inc., JP AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS2497 IIJ - Internet Initiative Japan Inc., JP AS13335 CLOUDFLARENET - Cloudflare, Inc., US-
ns019-248anjmhlotnrdqt.2.d-53.org210.138.20.110 2001:240:bb81::29:110AS2497 IIJ - Internet Initiative Japan Inc., JP AS2497 IIJ - Internet Initiative Japan Inc., JP-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns019-248anjmhlotnrdqt.2.d-53.info, ns019-248anjmhlotnrdqt.2.d-53.jp, ns019-248anjmhlotnrdqt.2.d-53.org.
  • ✓ 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 5 IPv4 /24s and 2 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS13335 (CLOUDFLARENET - Cloudflare, Inc., US): 4 addresses; AS2497 (IIJ - Internet Initiative Japan Inc., JP): 6 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .info, .jp, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

fail

10 of 10 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns019-248anjmhlotnrdqt.2.d-53.info 202.32.219.50NOERROR, 207 ms, authoritativenoyes / yesrefused-
ns019-248anjmhlotnrdqt.2.d-53.info 2001:240:bb81::28:50NOERROR, 240 ms, authoritativenoyes / yesrefused-
ns019-248anjmhlotnrdqt.2.d-53.jp 203.180.146.110NOERROR, 17 ms, authoritativenoyes / yesrefusedIIJ_DNS_PLATFORM_SERVICE_K
ns019-248anjmhlotnrdqt.2.d-53.jp 162.159.26.140NOERROR, 98 ms, authoritativenoyes / yesrefused2026.10.8
ns019-248anjmhlotnrdqt.2.d-53.jp 162.159.27.213NOERROR, 95 ms, authoritativenoyes / yesrefused2026.10.8
ns019-248anjmhlotnrdqt.2.d-53.jp 2400:cb00:2049:1::a29f:1a8cNOERROR, 94 ms, authoritativenoyes / yesrefused2026.10.8
ns019-248anjmhlotnrdqt.2.d-53.jp 2001:240:bb81::29:1110NOERROR, 22 ms, authoritativenono / yesrefusedIIJ_DNS_PLATFORM_SERVICE_K
ns019-248anjmhlotnrdqt.2.d-53.jp 2400:cb00:2049:1::a29f:1bd5NOERROR, 100 ms, authoritativenoyes / yesrefused2026.10.8
ns019-248anjmhlotnrdqt.2.d-53.org 210.138.20.110NOERROR, 21 ms, authoritativenoyes / yesrefusedIIJ_DNS_PLATFORM_SERVICE_K
ns019-248anjmhlotnrdqt.2.d-53.org 2001:240:bb81::29:110NOERROR, 22 ms, authoritativenono / yesrefusedIIJ_DNS_PLATFORM_SERVICE_K

Checks

  • ✓ All respond #14
    All 10 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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns019-248anjmhlotnrdqt.2.d-53.jp: "2026.10.8". Hide or replace the version string.
    #17
  • ✓ Zone transfers refused #18
    No nameserver allows a zone transfer to the public.
  • ✗
    No DNS over TCP
    DNS over TCP is required (RFC 7766); without it, large answers such as DNSSEC responses fail. Not answering over TCP: ns019-248anjmhlotnrdqt.2.d-53.jp (2001:240:bb81::29:1110): read tcp [2a01:4f8:1c1c:eebf::1]:51258->[2001:240:bb81::29:1110]:53: read: connection reset by peer; ns019-248anjmhlotnrdqt.2.d-53.org (2001:240:bb81::29:110): read tcp [2a01:4f8:1c1c:eebf::1]:60212->[2001:240:bb81::29:110]:53: read: connection reset by peer.
    #19
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

info

serial 2026100600 · primary ns000.d-53.net

Found

Primary (MNAME)
ns000.d-53.net
Contact (RNAME)
dns-managers.iij.ad.jp
Serial
2026100600
Refresh / retry
10800 s / 3600 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns019-248anjmhlotnrdqt.2.d-53.info (202.32.219.50)2026100600
ns019-248anjmhlotnrdqt.2.d-53.info (2001:240:bb81::28:50)2026100600
ns019-248anjmhlotnrdqt.2.d-53.jp (203.180.146.110)2026100600
ns019-248anjmhlotnrdqt.2.d-53.jp (162.159.26.140)2026100600
ns019-248anjmhlotnrdqt.2.d-53.jp (162.159.27.213)2026100600
ns019-248anjmhlotnrdqt.2.d-53.jp (2400:cb00:2049:1::a29f:1a8c)2026100600
ns019-248anjmhlotnrdqt.2.d-53.jp (2001:240:bb81::29:1110)2026100600
ns019-248anjmhlotnrdqt.2.d-53.jp (2400:cb00:2049:1::a29f:1bd5)2026100600
ns019-248anjmhlotnrdqt.2.d-53.org (210.138.20.110)2026100600
ns019-248anjmhlotnrdqt.2.d-53.org (2001:240:bb81::29:110)2026100600

Checks

  • ✓ Serial 2026100600 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 7d, negative TTL 1d.
  • i
    Hidden master (not resolvable)
    The primary nameserver ns000.d-53.net is not listed as a nameserver and does not resolve publicly: a hidden master, or a placeholder name. Some tools (e.g. dynamic updates) use MNAME to find the primary.
    #24
  • ✓ Contact dns-managers@iij.ad.jp #25
    The SOA RNAME dns-managers.iij.ad.jp means dns-managers@iij.ad.jp.
  • ✓ Date-based serial #26
    The serial 2026100600 follows the YYYYMMDDnn convention (2026-10-06).

DNSSEC

warn

Not signed

Found

Validated by resolver
no

Checks

  • !
    Not signed
    The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Records

info

20 records at the apex

Found

Read from
202.32.219.50:53
TypeValueTTL
SOAns000.d-53.net. dns-managers.iij.ad.jp. 2026100600 10800 3600 604800 8640086400
NSns019-248anjmhlotnrdqt.2.d-53.info.86400
NSns019-248anjmhlotnrdqt.2.d-53.jp.86400
NSns019-248anjmhlotnrdqt.2.d-53.org.86400
A163.211.251.5186400
MX1 aspmx.l.google.com.900
MX10 alt1.aspmx.l.google.com.900
MX10 alt2.aspmx.l.google.com.900
MX20 alt3.aspmx.l.google.com.900
MX20 alt4.aspmx.l.google.com.900
TXT"box-domain-verification=3474782"900
TXT"gitlab-pages-verification-code=b8aeda149aafa79e38ef0e7d44ab0794"900
TXT"google-site-verification=LuHJb20O-a_OdPCl3Xp92ziJ6XJ9MYNWRoMAQELJ7kw"900
TXT"arcules-domain-verification=CJ2kutdz95XNLXW235w3YJbtBcgjUigKKyRvVzN05rC"900
TXT"Dynatrace-site-verification=d6f906b5-7f44-44f3-86dc-50def4228647__n8bf9i0pn5ci8lb3anoj0cmdin"900
TXT"adobe-idp-site-verification=b209c4ab7b7aae158eb6a14bae465cf452283701df3f352541e0ff8e98de1e3b"900
TXT"atlassian-domain-verification=+EdnDtj/LlOVox8/C3umrJmYILCbabAK967GFxXslKmxoJjoh0dA55pbhdtUwuBE"900
TXT"atlassian-domain-verification=zDHV2zIm+tLcKqMi6fGkTYUB1ipaWvUe8pR8ePvtzwk3Z9FHMOVXJlvM/obUgkUR"900
TXT"v=spf1 +ip4:202.219.37.2 +ip4:163.211.248.0/21 +ip4:163.211.224.0/21 +ip4:119.75.234.64/27 +ip4:203.191.234.0/25 +ip4:180.148.163.128/25 " "+ip4:54.238.58.248 +ip4:202.32.114.11 +ip4:202.32.114.12 +ip4:27.112.105.122 +ip4:27.112.105.27 +ip4:163.211.240.0/24 " "include:_spf.google.com include:_spf.activegate-ss.jp include:spf1.jal.com include:spf2.jal.com include:spf.mailyl.jal.com include:_relay.amadeus.com ~all"900
TXT"v=verifydomain MS=ms13324345"900

Checks

  • ✓ TTLs within range #32
    TTLs: A 1d, MX 15m, NS 1d. The NS TTL at the parent is 2d and in the zone 1d; resolvers may use either.
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • ✓ No wildcard #34
    Names that don't exist return NXDOMAIN.
  • i
    No CAA records
    Without CAA records any certificate authority may issue certificates for this domain. A CAA record limits issuance to the CAs you use.
    #35