vde.com

Checked 22 October 2026, 11:20 UTC · via 8.8.8.8
✗Problems found
27 passed 1 warning 1 failed 5 info

Registration

info

.com generic · Network Solutions, LLC · expires 2034-07-25

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
Network Solutions, LLC
Registered
26 July 1996
Last changed
25 July 2024
Expires
25 July 2034
Status
client transfer prohibited
Registry nameservers
ns.vde.com, ns25.cinetic21.de, ns26.cinetic21.de, ns27.cinetic21.de
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 2034-07-25 #3
    The registration is valid until 2034-07-25 (2832 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.vde.com, ns25.cinetic21.de, ns26.cinetic21.de, ns27.cinetic21.de

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns.vde.com, ns25.cinetic21.de, ns26.cinetic21.de, ns27.cinetic21.de
NS in the zone
ns.vde.com, ns25.cinetic21.de, ns26.cinetic21.de, ns27.cinetic21.de
NameserverAddressesNetwork (AS)Glue
ns.vde.com194.25.92.189AS3320 DTAG - Deutsche Telekom AG, DE194.25.92.189
ns25.cinetic21.de185.132.35.227 2607:f1c0:fe:53:185:132:35:227AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB-
ns26.cinetic21.de217.160.80.227 2001:8d8:fe:53:217:160:80:227AS8560 IONOS-AS - IONOS SE, DE AS8560 IONOS-AS - IONOS SE, DE-
ns27.cinetic21.de217.160.81.227 2001:8d8:fe:53:217:160:81:227AS8560 IONOS-AS - IONOS SE, DE AS8560 IONOS-AS - IONOS SE, DE-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns.vde.com, ns25.cinetic21.de, ns26.cinetic21.de, ns27.cinetic21.de.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: ns.vde.com.
  • ✓ 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 2 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS15418 (IONOS-ANYCAST - Fasthosts Internet Limited, GB): 2 addresses; AS3320 (DTAG - Deutsche Telekom AG, DE): 1 address; AS8560 (IONOS-AS - IONOS SE, DE): 4 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .de.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns.vde.com.
    #13

Nameservers

fail

7 of 7 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.vde.com 194.25.92.189NOERROR, 5 ms, authoritativenono / yesrefused-
ns25.cinetic21.de 185.132.35.227NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns25.cinetic21.de 2607:f1c0:fe:53:185:132:35:227NOERROR, 5 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns26.cinetic21.de 217.160.80.227NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns26.cinetic21.de 2001:8d8:fe:53:217:160:80:227NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns27.cinetic21.de 217.160.81.227NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns27.cinetic21.de 2001:8d8:fe:53:217:160:81:227NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/

Checks

  • ✓ All respond #14
    All 7 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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: ns25.cinetic21.de: "Served by PowerDNS - https://www.powerdns.com/"; ns26.cinetic21.de: "Served by PowerDNS - https://www.powerdns.com/"; ns27.cinetic21.de: "Served by PowerDNS - https://www.powerdns.com/".
    #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: ns.vde.com (194.25.92.189): dial tcp 194.25.92.189:53: i/o timeout.
    #19
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

pass

serial 2026093002 · primary ns.vde.com

Found

Primary (MNAME)
ns.vde.com
Contact (RNAME)
mpulice.vde.com
Serial
2026093002
Refresh / retry
3600 s / 1800 s
Expire
1209600 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns.vde.com (194.25.92.189)2026093002
ns25.cinetic21.de (185.132.35.227)2026093002
ns25.cinetic21.de (2607:f1c0:fe:53:185:132:35:227)2026093002
ns26.cinetic21.de (217.160.80.227)2026093002
ns26.cinetic21.de (2001:8d8:fe:53:217:160:80:227)2026093002
ns27.cinetic21.de (217.160.81.227)2026093002
ns27.cinetic21.de (2001:8d8:fe:53:217:160:81:227)2026093002

Checks

  • ✓ Serial 2026093002 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 30m, expire 14d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.vde.com is one of the listed nameservers.
  • ✓ Contact mpulice@vde.com #25
    The SOA RNAME mpulice.vde.com means mpulice@vde.com.
  • ✓ Date-based serial #26
    The serial 2026093002 follows the YYYYMMDDnn convention (2026-09-30).

DNSSEC

warn

Signed, but no DS at parent

Found

Validated by resolver
no
Denial of existence
NSEC
Signatures valid until
5 November 2026

DNSKEY in the zone

Key tagRoleAlgorithm
26115KSK (257)ECDSAP256SHA256 (13)

Checks

  • !
    Signed but not delegated securely
    The zone is signed but the parent has no DS record, so the signatures are not used. Publish the DS record at your registrar.
    #27
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Signatures valid until 2026-11-05 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-05 00:00 UTC.
  • i
    NSEC
    The zone uses NSEC, so its full contents can be listed by walking the NSEC chain. That is fine unless the names are sensitive.
    #31

Records

info

18 records at the apex

Found

Read from
194.25.92.189:53
TypeValueTTL
SOAns.vde.com. mpulice.vde.com. 2026093002 3600 1800 1209600 360038400
NSns25.cinetic21.de.3600
NSns27.cinetic21.de.3600
NSns26.cinetic21.de.3600
NSns.vde.com.3600
A91.105.243.11314400
MX5 vde-com.mail.protection.outlook.com.38400
TXT"jamf-site-verification=f7l5Ry-xTfV1fvLxrwapRQ"86400
TXT"y5Jb/5kYe6DjlFNZKYndDIStwC9gHppmQM8g75ZE661wv+enPBTb3XW9GBDkqagHdHWGCA2D/oPGLr2IyGMPwg=="86400
TXT"webexdomainverification.LKY7=c38b9790-9e43-436f-b6b4-f1a143e5fca7"86400
TXT"webexdomainverification.EOLL=b71b2e75-05b0-4575-b084-fc8fda00aff5"86400
TXT"v=spf1 mx ip4:52.236.157.32/32 include:spf.protection.outlook.com include:_spf.senders.scnem.com include:arvato-systems-media.net ~all"86400
TXT"google-site-verification=VUR8IQvZBoI0obFGIy4tFbCECvoXogx5PVn8_t0sB0Q"86400
TXT"webexdomainverification.1BA6Y=64b27cc5-6b29-4b41-a15f-7d391d807f28"86400
TXT"apple-domain-verification=NF2QHew3K2EGQ4j4"86400
TXT"webexdomainverification.ERBE=cc45306e-b4a6-42ae-8d76-f3bf8ddde018"86400
TXT"MS=ms97519091"86400
TXT"webexdomainverification.HZ9B=234a29d6-f8aa-4078-add3-b71632f070b8"86400

Checks

  • ✓ TTLs within range #32
    TTLs: A 4h, MX 640m, 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