murata.com

Checked 22 October 2026, 09:53 UTC · via 8.8.8.8
✗Problems found
23 passed 1 warning 1 failed 6 info

Registration

info

.com generic · GoDaddy.com, LLC · expires 2033-09-07

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
GoDaddy.com, LLC
Registered
8 September 1994
Last changed
6 May 2024
Expires
7 September 2033
Status
client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited
Registry nameservers
dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.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 2033-09-07 #3
    The registration is valid until 2033-09-07 (2511 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net
NS in the zone
dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net
NameserverAddressesNetwork (AS)Glue
dbru.br.ns.els-gms.att.net68.94.156.134 2001:1890:1ff:9f0:68:94:156:134AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US-
dmtu.mt.ns.els-gms.att.net99.99.99.134 2001:1890:1ff:9f1:99:99:99:134AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net.
    #6
  • ✓ 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.
  • i
    One address family in one network
    all IPv6 addresses are in 2001:1890:1ff::/48, while the other address family is spread over several networks.
    #10
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS7018 (ATT-INTERNET4 - AT&T Enterprises, LLC, US): 4 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.
    #11
  • i
    All nameserver names under .net
    All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.
    #12
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

fail

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dbru.br.ns.els-gms.att.net 68.94.156.134NOERROR, 145 ms, authoritativenoyes / yesrefused-
dbru.br.ns.els-gms.att.net 2001:1890:1ff:9f0:68:94:156:134NOERROR, 122 ms, authoritativenono / yesrefused-
dmtu.mt.ns.els-gms.att.net 99.99.99.134NOERROR, 131 ms, authoritativenoyes / yesrefused-
dmtu.mt.ns.els-gms.att.net 2001:1890:1ff:9f1:99:99:99:134NOERROR, 108 ms, authoritativenono / yesrefused-

Checks

  • ✓ All respond #14
    All 4 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.
  • ✗
    No DNS over TCP
    DNS over TCP is required (RFC 7766); without it, large answers such as DNSSEC responses fail. Not answering over TCP: dbru.br.ns.els-gms.att.net (2001:1890:1ff:9f0:68:94:156:134): read tcp [2a01:4f8:1c1c:eebf::1]:53422->[2001:1890:1ff:9f0:68:94:156:134]:53: read: connection reset by peer; dmtu.mt.ns.els-gms.att.net (2001:1890:1ff:9f1:99:99:99:134): read tcp [2a01:4f8:1c1c:eebf::1]:60250->[2001:1890:1ff:9f1:99:99:99:134]: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

pass

serial 557 · primary dbru.br.ns.els-gms.att.net

Found

Primary (MNAME)
dbru.br.ns.els-gms.att.net
Contact (RNAME)
rm-hostmaster.ems.att.com
Serial
557
Refresh / retry
10800 s / 3600 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
dbru.br.ns.els-gms.att.net (68.94.156.134)557
dbru.br.ns.els-gms.att.net (2001:1890:1ff:9f0:68:94:156:134)557
dmtu.mt.ns.els-gms.att.net (99.99.99.134)557
dmtu.mt.ns.els-gms.att.net (2001:1890:1ff:9f1:99:99:99:134)557

Checks

  • ✓ Serial 557 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver dbru.br.ns.els-gms.att.net is one of the listed nameservers.
  • ✓ Contact rm-hostmaster@ems.att.com #25
    The SOA RNAME rm-hostmaster.ems.att.com means rm-hostmaster@ems.att.com.
  • ✓ Counter serial #26
    The serial 557 is a plain counter.

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

55 records at the apex

Found

Read from
68.94.156.134:53
TypeValueTTL
SOAdbru.br.ns.els-gms.att.net. rm-hostmaster.ems.att.com. 557 10800 3600 604800 36003600
NSdmtu.mt.ns.els-gms.att.net.3600
NSdbru.br.ns.els-gms.att.net.3600
A54.92.42.189900
MX10 mxb-00567001.gslb.pphosted.com.1800
MX10 mxa-00567001.gslb.pphosted.com.1800
TXT"00D10000000KjVV=1TBRC000000001d"3600
TXT"onetrust-domain-verification=e8ae3a1cdcd243a78ef475d5fa019355"3600
TXT"google-site-verification=YT32bmYl9mlpUfMHEMkczLTmrr1hcp-t_M77wYDbFUo"3600
TXT"00DAz000008BaJh=1TBAz00000000OD"3600
TXT"d365mktkey=wmx5BxsvMhHTj0yBNwrfXzJAbKLxjU971GWpa0yfOFIx"3600
TXT"_globalsign-domain-verification=h87F-Z-6qV6Zy5u9UkbtleSLI07pipbit78PiUw2zQ"3600
TXT"v=spf1 include:mgwi9qh1cp.powerspf.com ~all"3600
TXT"_a5zrx6i3hn92e5lhdyu9ho0o6r2i44c"3600
TXT"_globalsign-domain-verification=ie_1z2jVJO5dljhL0QEA_RhpWcwDRY5RbTogPxHEOr"3600
TXT"ccd87dbc-b1ad-4ed7-83be-9835365ce645"3600
TXT"contract-one-domain-verification=ccd87dbc-b1ad-4ed7-83be-9835365ce645"3600
TXT"_3xdgfs4e6vj8kq6relrmuimyjqcte80"3600
TXT"00DAz000008TyvR=1TBAz00000000T3"3600
TXT"contract-one-domain-verification=54bc8639-81df-4f71-881a-451ddbe15414"3600
TXT"contract-one-domain-verification=e126508a-80ac-4129-b868-9f0e11ca1959"3600
TXT"_globalsign-domain-verification=sZX97Hi8dYfqFL2RRMIqj-jU9vmzbkGW_PQOXhcUfC"3600
TXT"contract-one-domain-verification=17554102-9a60-47b6-9fff-672d15ea05d5"3600
TXT"_sttpsrugb0wevf5hqtcqifwumem3yru"3600
TXT"google-site-verification=l7NdBiFdLdYkcuHZyNixQm3IOeqq0ToLjULJ89Z1eZo"3600
TXT"webexdomainverification.4C675B8BABF6B136E053AB06FC0A3F65=1d7c8c1f-88d8-494b-973c-3ce14751d3df"3600
TXT"docusign=7cc5e651-2d49-437a-96de-9d8541b1872d"3600
TXT"google-site-verification=c68oqJxk6oMV6OSmciDWHCwjQolF-ZXTrUdRUUGn6hI"3600
TXT"verification=vfUyG1BHG7bjjOy9KTavobwuvd5fbXNt_aP0Cx6wIdo"3600
TXT"verification=JNrDcevTrcnSMuQOHhQEMOVT0ztS4nQTniohyu2yEW4"3600
TXT"google-site-verification=cLoWQV3QaIwE_pbYeZBGiX6SYg-JEOfwzDH2i07UF7A"3600
TXT"m55a3k1rkatblc7fll3l37cf8f"3600
TXT"apple-domain-verification=fp3vYxc8xSMBKjKI"3600
TXT"apple-domain-verification=tW3cAYMb5LUn6Ydf"3600
TXT"cisco-ci-domain-verification=31e40d0a15f0109f63a40c71bb69bc8335b1b11dea3929b3028f092991751766"3600
TXT"atlassian-domain-verification=InJaGfHATqonu3n9xZgianeVKkmTOSrSpz7pom7fkIwIxVZDZlW7PDZ7XhwPKwBF"3600
TXT"wrike-verification=MTgxNDk1Mjo5Y2RhODVkZGU4NjA0ZWU4ZjUwZWM4MTIyZmRmMTRmMWViNGQwYWRlYzE4NTQ4NDIxMmI3ODc4MTc1ZjcwYzQ4"3600
TXT"sophos-domain-verification=35cb0ee9f931ad51173dcc360166b29b308f6fd91d3868bcb718e2fb60c60fd5"3600
TXT"atlassian-domain-verification=ZbN48aFNfstOo8uRiB08fKFx9sKFB6YiZ1Pzc61vrDNanVWxDnmnxjlo7zZUHoRM"3600
TXT"sending_domain1040611=4f3ee9aec7c7ec92a43c2344fa8e512a06be99f3fe6791c5cadf3773484bf418"3600
TXT"google-site-verification=8NcEovJV7xVkKjW5SNIQrmMzYSBo8OED7gPAbUcMGlY"3600
TXT"google-site-verification=516VIlJBxUp-huA5MeRxurKO1M9K_g4zqap1VxrvKf4"3600
TXT"traction-guest=c48a66ca-9954-4cc0-9173-4d7b8de3113d"3600
TXT"c0h0e1690q8snqup24fgveg6m4"3600
TXT"Dynatrace-site-verification=ee68bbcc-7afd-4191-bcf9-13295c5934cb__27qj8iqujavaamio6nko3f4nnl"3600
TXT"miro-verification=0129e004df33b8480c410668fc74a1032c8b6441"3600
TXT"_qzy1bl5d96b9q11dbny17vzq9uo9daz"3600
TXT"_wysek5uxg7hv2ewgtjmolgrpantzxho"3600
TXT"_1quronfz7dxwsidfxs050ejeeam14gx"3600
TXT"wovn-domain-verification=26757b229d731aaa1d52918e3bc60b8e"3600
TXT"nulab-verification-code=Ym4zpIZDwtY8m8DUsjBEkjJWRUkaCit4RPVPqPNA4J3PCZbzA94WAtYxinYKuuyb"3600
TXT"_fokhy8ajm7xp2oexy8wpvqxxhngmhdu"3600
TXT"00DH30000001UvW=1TBA2000000003F"3600
TXT"validation-contactemail.murata.com"3600
TXT"openai-domain-verification=dv-UiiMsG8m14fQ7p9lRtckp2p1"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 15m, MX 30m, NS 1h. The NS TTL at the parent is 2d and in the zone 1h; 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