tjaereborgskole.dk

Records from scan: 2026-10-15 00:30:28  ·  1442ms total  ·  last checked 2026-10-17 05:58 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tjaereborgskole.dk is a .dk domain served by 2 nameservers (brit.ns.cloudflare.com, mack.ns.cloudflare.com). It was registered on 26 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.41.10 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   184ms
NameserverIP addressesPTRASN / ISP
brit.ns.cloudflare.com 108.162.192.78
172.64.32.78
173.245.58.78
2606:4700:50::adf5:3a4e
2803:f800:50::6ca2:c04e
2a06:98c1:50::ac40:204e		 brit.ns.cloudflare.com
brit.ns.cloudflare.com
brit.ns.cloudflare.com
brit.ns.cloudflare.com
brit.ns.cloudflare.com
brit.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
mack.ns.cloudflare.com 108.162.195.37
162.159.44.37
172.64.35.37
2606:4700:58::a29f:2c25
2803:f800:50::6ca2:c325
2a06:98c1:50::ac40:2325		 mack.ns.cloudflare.com
mack.ns.cloudflare.com
mack.ns.cloudflare.com
mack.ns.cloudflare.com
mack.ns.cloudflare.com
mack.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   202ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.41.10 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.158.214 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   236ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::6815:290a 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:9ed6 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   200ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.41.10,172.67.158.214 ech=AEX+DQBBtAAgACBRi4CDcbGgtBzhqWddOXAAkkD1BwyAh6iWVi4aNZxhHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:290a,2606:4700:3037::ac43:9ed6

📝 TXT Records#

1 records   537ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (tjaereborgskole.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.tjaereborgskole.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-15 00:30:28
www104.21.41.10 172.67.158.214 2606:4700:3034::6815:290a 2606:4700:3037::ac43:9ed6 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

326ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

99ms
FieldValue
Serial2417458321
Primary NS (MNAME)brit.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 19:42:31
FieldValue
RegistrarDANDOMAIN A/S
Registered2024-06-26
Expires2027-06-25 (250d)

🔗 Same registrant#

50 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
aadal-skolen.dkDANDOMAIN A/S
blokbeats.dkCURANET A/S
boldesagerskole.dkDANDOMAIN A/S
borderpath.dkDANDOMAIN A/S
brugesbjergkommune.dkDANDOMAIN A/S
bryndumskole.dkDANDOMAIN A/S
danmarksgadesskole.dkDANDOMAIN A/S
darkskymandø.dkDANDOMAIN A/S
darkskyparkmandoe.dkDANDOMAIN A/S
darumbørneby.dkDANDOMAIN A/S
detåbnelydteater.dkDANDOMAIN A/S
esbjerg-lufthavn.dkDANDOMAIN A/S
esbjerg-udeliv.dkDANDOMAIN A/S
esbjerg.dkDANDOMAIN A/S
esbjergairport.dkDANDOMAIN A/S
esbjergbyfond.dkDANDOMAIN A/S
esbjergbyhistoriskearkiv.dkDANDOMAIN A/S
esbjergdroneport.dkDANDOMAIN A/S
esbjergerklæringen.dkDANDOMAIN A/S
esbjergkommune.dkDANDOMAIN A/S
esbjerglufthavn.dkDANDOMAIN A/S
esbjergskoler.dkDANDOMAIN A/S
esbjergtest.dkDANDOMAIN A/S
esbu.dkDANDOMAIN A/S
esefestival.dkDANDOMAIN A/S
experienceesbjerg.dkDANDOMAIN A/S
fantasyfestival.dkDANDOMAIN A/S
fourfeldtskolen.dkDANDOMAIN A/S
graensesti.dkDANDOMAIN A/S
gredstedbroskole.dkDANDOMAIN A/S
grenzpfad.dkDANDOMAIN A/S
grænsesti-skole.dkDANDOMAIN A/S
grænsesti.dkDANDOMAIN A/S
hjertingskole.dkDANDOMAIN A/S
huset-esbjerg.dkDANDOMAIN A/S
kvaglundskolen.dkDANDOMAIN A/S
mandødarksky.dkDANDOMAIN A/S
nordreskole.dkDANDOMAIN A/S
preprodesbjergkommune.dkDANDOMAIN A/S
ribe.dkDANDOMAIN A/S
rørkjærskole.dkDANDOMAIN A/S
skadsskole.dkDANDOMAIN A/S
sydvestjyskbrandvæsen.dkDANDOMAIN A/S
sønderrisskolen.dkDANDOMAIN A/S
udbudspanelet.dkDANDOMAIN A/S
vadehavssekretariatet.dkDANDOMAIN A/S
vejrupboerneby.dkDANDOMAIN A/S
vejrupskole.dkDANDOMAIN A/S
vitaskolen.dkDANDOMAIN A/S
vittenbergskolen.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
184ms
A
202ms
MX
182ms
AAAA
236ms
TXT
537ms
CAA
176ms
HTTPS
200ms
TLSA
215ms
SOA
99ms
MTA-STS
323ms
DNSSEC
326ms
SRV
389ms
Total
1442ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 00:30:28 shown 1442ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-22 20:57:05 1147ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-06 12:19:23 1239ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-28 21:34:41 478ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-27 20:07:55 543ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-08 15:03:16 2977ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-21 21:16:50 16821ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-12 16:52:05 803ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-04 12:44:00 2706ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-17 23:43:07 2712ms 2 NS 2 A 0 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone