swarovski.com

Checked 22 October 2026, 10:53 UTC · via 8.8.8.8
!Passed with warnings
28 passed 2 warnings 0 failed 1 info

Registration

info

.com generic · COREhub, S.R.L. · expires 2028-01-10

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
COREhub, S.R.L.
Registered
11 January 1996
Last changed
21 October 2026
Expires
10 January 2028
Status
client delete prohibited, client transfer prohibited, client update prohibited
Registry nameservers
anycast102.irondns.net, ns17.knipp.net, ns2.knipp.de, ns3.knipp.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 2028-01-10 #3
    The registration is valid until 2028-01-10 (444 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

pass

anycast102.irondns.net, ns17.knipp.net, ns2.knipp.de, ns3.knipp.de

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
anycast102.irondns.net, ns17.knipp.net, ns2.knipp.de, ns3.knipp.de
NS in the zone
anycast102.irondns.net, ns17.knipp.net, ns2.knipp.de, ns3.knipp.de
NameserverAddressesNetwork (AS)Glue
anycast102.irondns.net195.253.88.5 2a01:5b0:10::5AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS50611 KNIPP-IRONDNS1-AS - Knipp Medien und Kommunikation GmbH, DE-
ns17.knipp.net195.253.51.61 2a01:5b0:2:56::3dAS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS48519 KNIPP-AMS-AS - Knipp Medien und Kommunikation GmbH, DE-
ns2.knipp.de195.253.6.52 2a01:5b0:0:29::34AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE-
ns3.knipp.de195.253.113.3 2a01:5b0:31::3AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE-

Checks

  • ✓ 4 nameservers #6
    Delegated to anycast102.irondns.net, ns17.knipp.net, ns2.knipp.de, ns3.knipp.de.
  • ✓ 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 4 IPv4 /24s and 4 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS48519 (KNIPP-AMS-AS - Knipp Medien und Kommunikation GmbH, DE): 1 address; AS50611 (KNIPP-IRONDNS1-AS - Knipp Medien und Kommunikation GmbH, DE): 1 address; AS8391 (KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE): 6 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
anycast102.irondns.net 195.253.88.5NOERROR, 18 ms, authoritativenoyes / yesrefused-
anycast102.irondns.net 2a01:5b0:10::5NOERROR, 18 ms, authoritativenoyes / yesrefused-
ns17.knipp.net 195.253.51.61NOERROR, 35 ms, authoritativenoyes / yesrefused-
ns17.knipp.net 2a01:5b0:2:56::3dNOERROR, 13 ms, authoritativenoyes / yesrefused-
ns2.knipp.de 195.253.6.52NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns2.knipp.de 2a01:5b0:0:29::34NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns3.knipp.de 195.253.113.3NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns3.knipp.de 2a01:5b0:31::3NOERROR, 9 ms, authoritativenoyes / yesrefused-

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.
  • ✓ 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.
  • ✓ 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 2024042593 · primary ns2.knipp.de

Found

Primary (MNAME)
ns2.knipp.de
Contact (RNAME)
dnsmaster.irondns.net
Serial
2024042593
Refresh / retry
10800 s / 3000 s
Expire
2419200 s
Negative TTL
900 s

Serial per nameserver

NameserverSerial
anycast102.irondns.net (195.253.88.5)2024042593
anycast102.irondns.net (2a01:5b0:10::5)2024042593
ns17.knipp.net (195.253.51.61)2024042593
ns17.knipp.net (2a01:5b0:2:56::3d)2024042593
ns2.knipp.de (195.253.6.52)2024042593
ns2.knipp.de (2a01:5b0:0:29::34)2024042593
ns3.knipp.de (195.253.113.3)2024042593
ns3.knipp.de (2a01:5b0:31::3)2024042593

Checks

  • ✓ Serial 2024042593 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 50m, expire 28d, negative TTL 15m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns2.knipp.de is one of the listed nameservers.
  • ✓ Contact dnsmaster@irondns.net #25
    The SOA RNAME dnsmaster.irondns.net means dnsmaster@irondns.net.
  • ✓ Date-based serial #26
    The serial 2024042593 follows the YYYYMMDDnn convention (2024-04-25).

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

52 records at the apex

Found

Read from
195.253.88.5:53
TypeValueTTL
SOAns2.knipp.de. dnsmaster.irondns.net. 2024042593 10800 3000 2419200 90086400
NSns3.knipp.de.86400
NSanycast102.irondns.net.86400
NSns2.knipp.de.86400
NSns17.knipp.net.86400
A2.16.55.15120
A2.16.55.13520
AAAA2a02:26f0:fd00:8::58dd:78d220
AAAA2a02:26f0:fd00:8::58dd:78dc20
MX10 mx2.hc750-82.c3s2.iphmx.com.3600
MX10 mx1.hc750-82.c3s2.iphmx.com.3600
TXT"MS=ms50194512"300
TXT"google-site-verification=3hskdZzfynEDUF414xPiaRP1-NrlSNWynKizxU5uU8E"300
TXT"y37kp8hd026ywtk7zr0rk4r2bfgpp8p0"300
TXT"google-site-verification=rprnmwkbDTu0DtBGJ1aqgRNJsq9T7FjYJr3BQjjZAFw"300
TXT"docusign=a4f10b04-e29b-44aa-9bdd-aa9a27bd7a8d"300
TXT"google-site-verification=ZlnGWFsbhwVjSCUH36VyMF6GLS20f5x8GcQbfy74PoU"300
TXT"google-site-verification=_heVAJgw8uRUfQWcIoU9qfaraggDwuXdeD4BWl6tb5Q"300
TXT"4qs1c1n5043k0hmbrzncym5n8pf2pvpt"300
TXT"_jaiykx7hh6p11lvspgxd1vshc6xaydi"300
TXT"_yt0hq2y2eumxodjs4gf6q046bvoj7j9"300
TXT"d365mktkey=kkwv2btltrlka18stbteqftc"300
TXT"d365mktkey=240q7m4tj16zevkeob1q8hm1p"300
TXT"facebook-domain-verification=kbg3m5e2x8tfthqqht6eruat2o1e6m"300
TXT"bl7psmq8mf5tm44zw7tjxjghv9ntn2t9"300
TXT"5t1s9jxygtlzfzjw2p8nd0glqd66d3p4"300
TXT"dropbox-domain-verification=fjnpw5j9g5u5"300
TXT"pXntsOFIZmhDvsR5F+oB3iBgrAtypUyYx0kcWYr95tlWGVlAX+QVAkta3+MoSaqVVmdbECLUpzgnLiZBwVbUXA=="300
TXT"google-site-verification=7_4fawDEzPv-XSaiCyxse--XPlwChJUqABD3p-pJWUM"300
TXT"v=spf1 include:spf.protection.outlook.com include:spf.swarovski.com include:marketing.dynamics.com include:psm.knowbe4.com include:_spf.perceptyx.com ip4:82.199.95.7 -all"300
TXT"4whdpqzzbkyntjckk170h89z14vr2hmb"300
TXT"TrustpilotVerification20190628-Shahrokh"300
TXT"_c190y17fbp6tumx1dium8fcvkb0y9t8"300
TXT"4q4ksl41hhy2dl3nr5vs7pjk63d7mxmt"300
TXT"facebook-domain-verification=q9gwj1l87ekxswm90mrtsii7dnrypu"300
TXT"anthropic-domain-verification-0y0rke=Qp6VD8C11U6e5u4osNmsDSmAM"300
TXT"_3p126tkpkxrdguiaggd8xm8dp49echt"300
TXT"docusign=367dc455-f065-4d56-9453-2605ec949cae"300
TXT"proxy-ssl.webflow.com"300
TXT"_68qywsjoeejxyazcf94hlxcrjlnaqid"300
TXT"M1Hhpmiz7HQzjutykVYXUM3Y1Lvw2wbnpWp2TSQJJ0r7381SJPgcGxNIpBeV/utJH6BHgxCgtnde8gQGPdXtoA=="300
TXT"duo_sso_verification=ipwF84Y9Kj4tmq5DE0UeLG6F295lsd8nuPEuJ8LPza0D6jUx1w70auviFFZzIX7K"300
TXT"apple-domain-verification=qQafm2hLXYE2tgn1"300
TXT"Pt5erICW1iXPmYpNeA5eQQ8HCK2dzDrsQzLulgxOeme7FZGQZ0y5moYy89Njsu/Li16nOQgCqsS51RIYdH1aPw=="300
TXT"atlassian-domain-verification=fuN7nMSVEIzUe1LsAT73lqOEnSpAiud1fBmT3gwMi0W0jRIIJ2QhnMavjezHRR38"300
TXT"adobe-idp-site-verification=1ff03d74-a147-4548-9434-ff5e774e9a98"300
CAA0 issue "pki.goog"300
CAA0 issue "letsencrypt.org"300
CAA0 issue "globalsign.com"300
CAA0 iodef "mailto:internet.domain.admin@swarovski.com"300
CAA0 issue "amazon.com"300
CAA0 issue "digicert.com"300

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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: pki.goog, letsencrypt.org, globalsign.com, amazon.com, digicert.com.