lufthansa.com

Checked 22 October 2026, 09:41 UTC · via 8.8.8.8
iAll checks passed
30 passed 0 warnings 0 failed 5 info

Registration

info

.com generic · CSC Corporate Domains, Inc. · expires 2027-01-09

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
10 January 1996
Last changed
5 January 2026
Expires
9 January 2027
Status
client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
udns1.cscudns.com, udns2.cscudns.org
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 2027-01-09 #3
    The registration is valid until 2027-01-09 (78 days).
  • ✓ Transfer locked #4
    Registry status: client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

udns1.cscudns.com, udns2.cscudns.org

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
udns1.cscudns.com, udns2.cscudns.org
NS in the zone
udns1.cscudns.com, udns2.cscudns.org
NameserverAddressesNetwork (AS)Glue
udns1.cscudns.com204.74.66.14 2001:502:4612::20eAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US2001:502:4612::20e 204.74.66.14
udns2.cscudns.org204.74.104.20 2610:a1:3214::53AS399153 SECURITYSERVICES - Vercara, LLC, US AS399154 SECURITYSERVICES - Vercara, LLC, US-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: udns1.cscudns.com, udns2.cscudns.org.
    #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.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 2 addresses; AS399153 (SECURITYSERVICES - Vercara, LLC, US): 1 address; AS399154 (SECURITYSERVICES - Vercara, LLC, US): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
udns1.cscudns.com 204.74.66.14NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
udns1.cscudns.com 2001:502:4612::20eNOERROR, 36 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
udns2.cscudns.org 204.74.104.20NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
udns2.cscudns.org 2610:a1:3214::53NOERROR, 18 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.cscudns.com: "UltraDNS Nameserver"; udns2.cscudns.org: "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 2019107569 · primary udns1.cscudns.com

Found

Primary (MNAME)
udns1.cscudns.com
Contact (RNAME)
hostmaster.cscdns.net
Serial
2019107569
Refresh / retry
28800 s / 7200 s
Expire
1209600 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
udns1.cscudns.com (204.74.66.14)2019107569
udns1.cscudns.com (2001:502:4612::20e)2019107569
udns2.cscudns.org (204.74.104.20)2019107569
udns2.cscudns.org (2610:a1:3214::53)2019107569

Checks

  • ✓ Serial 2019107569 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 14d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver udns1.cscudns.com is one of the listed nameservers.
  • ✓ Contact hostmaster@cscdns.net #25
    The SOA RNAME hostmaster.cscdns.net means hostmaster@cscdns.net.
  • ✓ Timestamp serial #26
    The serial 2019107569 is a Unix timestamp (2033-12-25 07:12 UTC).

DNSSEC

info

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC
Signatures valid until
3 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
14242ECDSAP256SHA256 (13)SHA256 493A0CDD768647DB…yes
14242ECDSAP256SHA256 (13)SHA1 9B66EB062C699AA1…yes

DNSKEY in the zone

Key tagRoleAlgorithm
883ZSK (256)ECDSAP256SHA256 (13)
14242KSK (257)ECDSAP256SHA256 (13)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 14242 (SHA256), key tag 14242 (SHA1).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Signatures valid until 2026-11-03 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-03 22:14 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

24 records at the apex

Found

Read from
204.74.66.14:53
TypeValueTTL
SOAudns1.cscudns.com. hostmaster.cscdns.net. 2019107569 28800 7200 1209600 864003600
NSudns1.cscudns.com.86400
NSudns2.cscudns.org.86400
A20.101.251.23286400
MX10 mxa-005f4701.gslb.pphosted.com.86400
MX10 mxb-005f4701.gslb.pphosted.com.86400
TXT"MS=ms85757355"3600
TXT" ir0llfualq0lc0rrpus8hckeir"3600
TXT"_3lqbnk5ht5r15umni1kxyppvmdy3y1c"3600
TXT"_atv5tb360u8dld1ndsus1qfru3cf6pt"3600
TXT"_rd9relssqtk8z4vl6yn9hk66l4fc8zd"3600
TXT"apple-domain-verification=dgPxFEVd2K3xQqtz"3600
TXT"docusign=8bea4f11-e5ab-4856-99e4-4ca3d798adaf"3600
TXT"cloudpiercer-verification=dc4279b6fad885058db091939393c054"3600
TXT"facebook-domain-verification=jr9ai9g9jfp6b646oq7kay8xw4edgp"3600
TXT"slido-domain-verification=345a9c65-9fa3-4518-a7fe-248ee2a7b644"3600
TXT"google-site-verification=A1d4RptY5Tgo2iMXRQUdNN1YDiCDRF9qi8rogpch4hQ"3600
TXT"google-site-verification=F9d17-cGR9pWXhdWBAAoVSCULdLFHg581R98t75oZ9M"3600
TXT"_globalsign-domain-verification=VzENNhYl3dL1bbkkax4Zn0AKFBSeyIt9K3GSm43box"3600
TXT"1qbYXTIQfi1P3mqgJMun2NUm9qbzeAmMCvRn0q+p3wNof6cn0F3+vN3JHmLIkyAuA8yz1ya0IKosGsOs8Npt/Q=="3600
TXT"qucYgggiw9JwlYkwN1eWMmo+t5nlajTRSugGKykCY1g0BBFD5fa+U3YYCGL2jDR0c4T1gQD02IZyJsUEYMmTkA=="3600
TXT"cloudControl-verification: f6b65ab213e089875abd83bd4220d316ad10b16e4e64e2ccabef24e86eb3b563"3600
TXT"atlassian-domain-verification=xYk1MY7WWFEakmSsrr5YC8zYGHTK1S8RFowd0HChxOpoFSnbf9YMRruJegIt4EMG"3600
TXT"v=spf1 mx ip4:129.35.195.69 ip4:129.35.195.68 ip4:129.35.195.132 ip4:129.35.195.133 ip4:84.17.165.165 ip4:84.17.165.167 ip4:194.31.6.64/28 ip4:52.157.235.82 ip4:80.72.142.246 ip4:80.77.215.176/28 ip4:84.17.184.240/28 ip4:84.17.190.192/26" " include:spf.ecentry.io include:amazonses.com include:_relay.amadeus.com include:_spf.lufthansa.com -all"3600

Checks

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