runtastic.com

Checked 22 October 2026, 10:33 UTC · via 8.8.8.8
!Passed with warnings
24 passed 2 warnings 0 failed 5 info

Registration

info

.com generic · CSC Corporate Domains, Inc. · expires 2026-11-29

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
29 November 2006
Last changed
15 May 2025
Expires
29 November 2026
Status
client transfer prohibited
Registry nameservers
udns1.cscdns.net, udns2.cscdns.uk
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 2026-11-29 #3
    The registration is valid until 2026-11-29 (38 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

udns1.cscdns.net, udns2.cscdns.uk

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
udns1.cscdns.net, udns2.cscdns.uk
NS in the zone
udns1.cscdns.net, udns2.cscdns.uk
NameserverAddressesNetwork (AS)Glue
udns1.cscdns.net204.74.66.1 2001:502:f3ff::201AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
udns2.cscdns.uk204.74.111.1 2001:502:4612::201AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: udns1.cscdns.net, udns2.cscdns.uk.
    #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.
  • ✓ Nameservers in different networks #10
    The nameservers are spread over 2 IPv4 /24s and 2 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS12008 (VERCARA - Vercara, 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
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .net, .uk.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
udns1.cscdns.net 204.74.66.1NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
udns1.cscdns.net 2001:502:f3ff::201NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
udns2.cscdns.uk 204.74.111.1NOERROR, 33 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
udns2.cscdns.uk 2001:502:4612::201NOERROR, 34 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver

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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: udns1.cscdns.net: "UltraDNS Nameserver"; udns2.cscdns.uk: "UltraDNS Nameserver".
    #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 2024111542 · primary udns1.cscdns.net

Found

Primary (MNAME)
udns1.cscdns.net
Contact (RNAME)
hostmaster.cscdns.net
Serial
2024111542
Refresh / retry
3600 s / 1800 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
udns1.cscdns.net (204.74.66.1)2024111542
udns1.cscdns.net (2001:502:f3ff::201)2024111542
udns2.cscdns.uk (204.74.111.1)2024111542
udns2.cscdns.uk (2001:502:4612::201)2024111542

Checks

  • ✓ Serial 2024111542 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 30m, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver udns1.cscdns.net is one of the listed nameservers.
  • ✓ Contact hostmaster@cscdns.net #25
    The SOA RNAME hostmaster.cscdns.net means hostmaster@cscdns.net.
  • ✓ Date-based serial #26
    The serial 2024111542 follows the YYYYMMDDnn convention (2024-11-15).

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

warn

27 records at the apex

Found

Read from
204.74.66.1:53
TypeValueTTL
SOAudns1.cscdns.net. hostmaster.cscdns.net. 2024111542 3600 1800 604800 36003600
NSudns1.cscdns.net.86400
NSudns2.cscdns.uk.86400
A184.86.103.21520
A184.86.103.20420
AAAA2a02:26f0:ab00::214:8f3320
AAAA2a02:26f0:ab00::214:8e3320
MX10 aspmx.l.google.com.604800
MX20 alt1.aspmx.l.google.com.604800
MX30 alt2.aspmx.l.google.com.604800
MX40 aspmx2.googlemail.com.604800
MX50 aspmx3.googlemail.com.604800
MX9000 aspmx3.googlemail.com.604800
MX32767 ms11027318.msv1.invalid.604800
TXT"MS=ms10380127"3600
TXT"MS=ms23599150"3600
TXT"_eusr0yhe73zatg3p970wbo2bgk830r0"3600
TXT"cz46yd8xcxxz6tfys777d1l1rz5swdj0"3600
TXT"apple-domain-verification=6we7uxCuPRDuG70C"3600
TXT"MS=1F8637BA1BFD17CA62B8331EB8053A311ED3A0F5"3600
TXT"miro-verification=df54d84baa03ddf5f5939946da1a71b22e9e1100"3600
TXT"facebook-domain-verification=cenveayd94rg279zzdxfup3zyxunq5"3600
TXT"google-site-verification=gGf8o3s4VJ9p97oHFwLbi0J3kpF4NuxFHGPFl74S4rA"3600
TXT"google-site-verification=k8KsRSFEZyFj355AWVu422jxJqCv-X2msBBJwfH1gVs"3600
TXT"google-site-verification=na2YdSTV3vMqIOcPisyfabE2aAwsc-NMpqwDARTnBU8"3600
TXT"google-site-verification=x4rrQz-F0KETKVwsGyymaxuv4nHaX1negeNdH1rUQS4"3600
TXT"v=spf1 mx ip4:195.140.184.0/22 ip4:91.192.40.0/22 ip4:83.164.148.128/27 ip4:85.193.140.96/28 include:_spf.google.com include:emarsys.net include:emsmtp.com -all"3600

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (20s), AAAA (20s). Low TTLs are useful just before a planned change. The NS TTL at the parent is 2d and in the zone 1d; resolvers may use either.
    #32
  • ✓ 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