Domain report: bayer04.de

Registration

info

.de country-code

Found

TLD: .de (country-code)
ICANN policies apply: no

Checks

i

.de is a country-code TLD (ccTLD)

Country-code TLD: governed by its local registry under national policy, not by an ICANN contract. Registrar accreditation, dispute resolution and RDAP/WHOIS rules are set by the registry.

#1
✓ TLD delegated and signed #2

.de is delegated in the root zone and DNSSEC-signed.
i

Registration data not available

No registration data via RDAP: the registry of .de offers no RDAP service. Many ccTLD registries don't offer RDAP; check the registry's WHOIS instead.

#3

Delegation

pass

ns1-any.123ns.eu, ns3-any.123ns.eu, ns4-any.123ns.de

Found

Parent zone: de
Delegation from: a.nic.de (194.0.0.53)
NS at the parent: ns1-any.123ns.eu, ns3-any.123ns.eu, ns4-any.123ns.de
NS in the zone: ns1-any.123ns.eu, ns3-any.123ns.eu, ns4-any.123ns.de

Nameserver	Addresses	Network (AS)	Glue
ns1-any.123ns.eu	195.253.64.5 2a01:5b0:4::5	AS8561 KNIPPWORLDWIDE - Knipp Medien und Kommunikation GmbH, DE AS8561 KNIPPWORLDWIDE - Knipp Medien und Kommunikation GmbH, DE	-
ns3-any.123ns.eu	192.174.68.116 2001:67c:1bc::116	AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT	-
ns4-any.123ns.de	176.97.158.116 2001:67c:10b8::116	AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT	-

Checks

✓ 3 nameservers #6

Delegated to ns1-any.123ns.eu, ns3-any.123ns.eu, ns4-any.123ns.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 3 IPv4 /24s and 3 IPv6 /48s.
✓ 2 autonomous systems #11

The nameservers are spread over: AS1921 (RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT): 4 addresses; AS8561 (KNIPPWORLDWIDE - Knipp Medien und Kommunikation GmbH, DE): 2 addresses.
✓ Nameserver names under 2 TLDs #12

Nameserver names use the TLDs .de, .eu.
✓ All reachable over IPv6 #13

Every nameserver has an IPv6 address.

Nameservers

info

6 of 6 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns1-any.123ns.eu 195.253.64.5	NOERROR, 20 ms, authoritative	no	yes / yes	refused	-
ns1-any.123ns.eu 2a01:5b0:4::5	NOERROR, 23 ms, authoritative	no	yes / yes	refused	-
ns3-any.123ns.eu 192.174.68.116	NOERROR, 3 ms, authoritative	no	yes / yes	refused	RcodeZero DNS
ns3-any.123ns.eu 2001:67c:1bc::116	NOERROR, 7 ms, authoritative	no	yes / yes	refused	RcodeZero DNS
ns4-any.123ns.de 176.97.158.116	NOERROR, 12 ms, authoritative	no	yes / yes	refused	reg-wie1
ns4-any.123ns.de 2001:67c:10b8::116	NOERROR, 14 ms, authoritative	no	yes / yes	refused	reg-wie1

Checks

✓ All respond #14

All 6 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: ns3-any.123ns.eu: "RcodeZero DNS"; ns4-any.123ns.de: "reg-wie1".

#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 2026102100 · primary ns1-any.123ns.eu

Found

Primary (MNAME): ns1-any.123ns.eu
Contact (RNAME): hostmaster.123ns.eu
Serial: 2026102100
Refresh / retry: 43200 s / 14400 s
Expire: 3600000 s
Negative TTL: 21400 s

Serial per nameserver

Nameserver	Serial
ns1-any.123ns.eu (195.253.64.5)	2026102100
ns1-any.123ns.eu (2a01:5b0:4::5)	2026102100
ns3-any.123ns.eu (192.174.68.116)	2026102100
ns3-any.123ns.eu (2001:67c:1bc::116)	2026102100
ns4-any.123ns.de (176.97.158.116)	2026102100
ns4-any.123ns.de (2001:67c:10b8::116)	2026102100

Checks

✓ Serial 2026102100 everywhere #22

All nameservers serve the same version of the zone.
✓ Timers within recommendations #23

SOA refresh 12h, retry 4h, expire 1000h, negative TTL 5h56m40s.
✓ Primary is a public nameserver #24

The primary nameserver ns1-any.123ns.eu is one of the listed nameservers.
✓ Contact hostmaster@123ns.eu #25

The SOA RNAME hostmaster.123ns.eu means hostmaster@123ns.eu.
✓ Date-based serial #26

The serial 2026102100 follows the YYYYMMDDnn convention (2026-10-21).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver: yes
Denial of existence: NSEC3
NSEC3: 0 iterations, 32-byte salt
Signatures valid until: 20 November 2026

DS at the parent

Key tag	Algorithm	Digest	Matches a key
63874	RSASHA256 (8)	SHA256 220C2A7A77B57924…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
23211	ZSK (256)	RSASHA256 (8)
23304	ZSK (256)	RSASHA256 (8)
63874	KSK (257)	RSASHA256 (8)

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 63874 (SHA256).
✓ Modern algorithms #29

Key algorithms: RSASHA256 (8).
✓ Signatures valid until 2026-11-20 #30

The earliest DNSKEY/SOA signature expires at 2026-11-20 20:55 UTC.
!

NSEC3 with extra iterations or salt

NSEC3 uses 0 iterations and a 32-byte salt. RFC 9276 recommends 0 iterations and no salt: extra iterations cost resolvers CPU and add no real protection, and some validators treat high counts as insecure.

#31

Records

pass

31 records at the apex

Found

Read from: 195.253.64.5:53

Type	Value	TTL
SOA	ns1-any.123ns.eu. hostmaster.123ns.eu. 2026102100 43200 14400 3600000 21400	86400
NS	ns4-any.123ns.de.	86400
NS	ns1-any.123ns.eu.	86400
NS	ns3-any.123ns.eu.	86400
A	159.60.135.202	3600
MX	0 bayer04-de.mail.protection.outlook.com.	3600
TXT	"asv=a757a117b2e5d651dc1790c525183d82"	3600
TXT	"docusign=27217d49-256c-4839-abc6-f9b494dde4eb"	3600
TXT	"mailjet-bayer04.de-validation=682912"	3600
TXT	"notion-domain-verification=lXxbAaen5zTQuGxJzZ8ShNXwgHEnxVGIzRwo9DTxv6F"	3600
TXT	"atlassian-domain-verification=JYACmmdHPmY4xxl/xcFkmPSncUvu7jKIeiazMSjqRXyXduk877nTinV40dQcqTdf"	3600
TXT	"docusign=1dd3ff92-cab8-4d16-b099-efe07278bf25"	3600
TXT	"miro-verification=4687ad3272264beb960ee41c0183af9fe64a72e2"	3600
TXT	"v=spf1 ip4:185.142.114.5 include:inxserver.com include:spf.protection.outlook.com include:spf.mailjet.com include:spf.004group.com include:_spf.itandtel.at include:amazonses.com -all"	3600
TXT	"atlassian-sending-domain-verification=e8f32a22-f27f-4d5b-8475-3e8e2ac2728f"	3600
TXT	"heyhack-verification=64a7ddd9-415f-4c4e-9700-0e5cd29ae0c0"	3600
TXT	"jamf-site-verification=C_1yfaB-FViIfe02FUpnLQ"	3600
TXT	"google-site-verification=FOqbGLrr4BQMzmr9GQnQ4noZrOciwJp2lBj6Up3q0H0"	3600
TXT	"figma-domain-verification=b7aab8b3d618c142ebef65a1e483015f98685698fd7241aa964c0512d2f6bee2-1791955174"	3600
TXT	"adobe-idp-site-verification=c55e48f4d2a2d32b0d95a39991fb0ee342f9b1fc1ea79996755b9b70ac60c594"	3600
CAA	0 issue "digicert.com"	300
CAA	0 issuewild "certum.eu"	300
CAA	0 issue "amazontrust.com"	300
CAA	0 issuewild "certum.pl"	300
CAA	0 issue "certum.pl"	300
CAA	0 issuewild "sectigo.com"	300
CAA	0 issue "awstrust.com"	300
CAA	0 issue "sectigo.com"	300
CAA	0 issue "letsencrypt.org"	300
CAA	0 issue "amazonaws.com"	300
CAA	0 issue "amazon.com"	300

Checks

✓ TTLs within range #32

TTLs: A 1h, MX 1h, NS 1d.
✓ 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, certum.eu, amazontrust.com, certum.pl, sectigo.com, awstrust.com, letsencrypt.org, amazonaws.com, amazon.com.