juniperresearch.com

Checked 22 October 2026, 09:25 UTC · via 8.8.8.8
!Passed with warnings
25 passed 2 warnings 0 failed 4 info

Registration

info

.com generic · IONOS SE · expires 2027-02-01

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
IONOS SE
Registered
1 February 2002
Last changed
2 February 2026
Expires
1 February 2027
Status
client delete prohibited, client transfer prohibited, client update prohibited
Registry nameservers
ns1094.ui-dns.biz, ns1094.ui-dns.com, ns1094.ui-dns.org, ns1125.ui-dns.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 2027-02-01 #3
    The registration is valid until 2027-02-01 (102 days).
  • ✓ Transfer locked #4
    Registry status: client delete 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

warn

ns1094.ui-dns.biz, ns1094.ui-dns.com, ns1094.ui-dns.org, ns1125.ui-dns.de

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns1094.ui-dns.biz, ns1094.ui-dns.com, ns1094.ui-dns.org, ns1125.ui-dns.de
NS in the zone
ns1094.ui-dns.biz, ns1094.ui-dns.com, ns1094.ui-dns.org, ns1125.ui-dns.de
NameserverAddressesNetwork (AS)Glue
ns1094.ui-dns.biz185.132.33.94 2607:f1c0:fe:53:185:132:33:94AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB-
ns1094.ui-dns.com185.132.34.94 2607:f1c0:fe:53:185:132:34:94AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB2001:8d8:fe:53:0:d9a0:525e:100 217.160.82.94
ns1094.ui-dns.org185.132.35.94 2607:f1c0:fe:53:185:132:35:94AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB-
ns1125.ui-dns.de185.132.32.125 2607:f1c0:fe:53:185:132:32:125AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns1094.ui-dns.biz, ns1094.ui-dns.com, ns1094.ui-dns.org, ns1125.ui-dns.de.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • !
    Glue differs from the zone
    The addresses at the parent (glue) differ from the addresses in the zone: ns1094.ui-dns.com (glue 2001:8d8:fe:53:0:d9a0:525e:100, 217.160.82.94, zone 185.132.34.94, 2607:f1c0:fe:53:185:132:34:94). Update the glue at your registrar.
    #8
  • ✓ 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 2607:f1c0:fe::/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 (AS15418 (IONOS-ANYCAST - Fasthosts Internet Limited, GB): 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 .biz, .com, .de, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1094.ui-dns.biz 185.132.33.94NOERROR, 5 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns1094.ui-dns.biz 2607:f1c0:fe:53:185:132:33:94NOERROR, 5 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns1094.ui-dns.com 185.132.34.94NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns1094.ui-dns.com 2607:f1c0:fe:53:185:132:34:94NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns1094.ui-dns.org 185.132.35.94NOERROR, 5 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns1094.ui-dns.org 2607:f1c0:fe:53:185:132:35:94NOERROR, 5 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns1125.ui-dns.de 185.132.32.125NOERROR, 5 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns1125.ui-dns.de 2607:f1c0:fe:53:185:132:32:125NOERROR, 5 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/

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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: ns1094.ui-dns.biz: "Served by PowerDNS - https://www.powerdns.com/"; ns1094.ui-dns.com: "Served by PowerDNS - https://www.powerdns.com/"; ns1094.ui-dns.org: "Served by PowerDNS - https://www.powerdns.com/"; ns1125.ui-dns.de: "Served by PowerDNS - https://www.powerdns.com/".
    #17
  • ✓ 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 2018032747 · primary ns1094.ui-dns.biz

Found

Primary (MNAME)
ns1094.ui-dns.biz
Contact (RNAME)
hostmaster.1and1.com
Serial
2018032747
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
ns1094.ui-dns.biz (185.132.33.94)2018032747
ns1094.ui-dns.biz (2607:f1c0:fe:53:185:132:33:94)2018032747
ns1094.ui-dns.com (185.132.34.94)2018032747
ns1094.ui-dns.com (2607:f1c0:fe:53:185:132:34:94)2018032747
ns1094.ui-dns.org (185.132.35.94)2018032747
ns1094.ui-dns.org (2607:f1c0:fe:53:185:132:35:94)2018032747
ns1125.ui-dns.de (185.132.32.125)2018032747
ns1125.ui-dns.de (2607:f1c0:fe:53:185:132:32:125)2018032747

Checks

  • ✓ Serial 2018032747 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 7d, negative TTL 5m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1094.ui-dns.biz is one of the listed nameservers.
  • ✓ Contact hostmaster@1and1.com #25
    The SOA RNAME hostmaster.1and1.com means hostmaster@1and1.com.
  • ✓ Date-based serial #26
    The serial 2018032747 follows the YYYYMMDDnn convention (2018-03-27).

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

pass

20 records at the apex

Found

Read from
185.132.33.94:53
TypeValueTTL
SOAns1094.ui-dns.biz. hostmaster.1and1.com. 2018032747 28800 7200 604800 30086400
NSns1094.ui-dns.com.3600
NSns1125.ui-dns.de.3600
NSns1094.ui-dns.org.3600
NSns1094.ui-dns.biz.3600
A192.124.249.169300
MX20 juniperresearch-com.mx2.arsmtp.com.300
MX10 juniperresearch-com.mx1.arsmtp.com.300
TXT"24j155ee4kdb26s3dlllojpnt9"3600
TXT"v=spf1 include:amazonses.com a mx include:spf.ess.uk.barracudanetworks.com include:_spf.elasticemail.com include:spf.protection.outlook.com include:emsd1.com ip4:81.143.127.242 ip4:91.109.241.143 ip4:185.136.248.58 ip4:3.11.145.181 include:spf.vpop3mail.c" "om ip4:18.130.34.155 include:spf.mailjet.com ~all"3600
TXT"anthropic-domain-verification-45nv4r=GRs1nCV2SgGFqSRz3kbLmxYSZ"3600
TXT"google-site-verification=GlT8ztXptJSyR9Pxcj9Ne6GUynKkQy4Kbwi3hma_e-A"3600
TXT"_e0t0pivhiois5zgda1yuuvpfc7kfm9n"3600
TXT"_7v2l6xvashjadfsaip68ubi02m6deli"3600
TXT"3wg0jlpp04ht7k62f0tw7n8g6sx387ww"60
TXT"dtm0g7vcgqns4c74tr9yhcvk565zzlf5"60
TXT"gqmk318j20bwvffykxntq7cm1rf7y2m5"300
TXT"google-site-verification=abpXdxFXGka-Z9pFTMELxExG3_dtC7hlT8Hxt65ZEek"60
TXT"_j8il1jde2afuuvsaiq50rirg5kldxjn"3600
CAA0 issuewild "digicert.com"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 5m, 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: digicert.com.