tjaereborgskole.dk

📜 Historical scan 2026-08-28 21:34:41  ·  ← Latest scan
⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   25ms
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   30ms
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   30ms
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   29ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.41.10,172.67.158.214 ech=AEX+DQBBOwAgACD+m/Qfo1jU0aqvMNakkb9kSsvoFMkgD7zHmn/7Mi4mJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:290a,2606:4700:3037::ac43:9ed6

📝 TXT Records#

1 records   154ms
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#

latest probe, not this scan · 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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.tjaereborgskole.dk 1QvQIF08-OTX1nIraxPy_2jsqv06PxczM5wDgkLcmgs
TXT _acme-challenge.tjaereborgskole.dk 527WF9p6Ru_JTI7bCFCC0QYeSFhp0czjdgduWYWLmOg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2413363085
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 (246d)

🔗 Same registrant#

66 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
bondebisseborger.dkDANDOMAIN A/S
borderpath.dkDANDOMAIN A/S
bramming.dkDANDOMAIN A/S
brugesbjergkommune.dkDANDOMAIN A/S
bryndumskole.dkDANDOMAIN A/S
danmarksgadesskole.dkDANDOMAIN A/S
darkskymandø.dkDANDOMAIN A/S
darkskyparkmandoe.dkDANDOMAIN A/S
darkskyparkmandø.dkDANDOMAIN A/S
darkskyparkwaddensea.dkDANDOMAIN A/S
darumbørneby.dkDANDOMAIN A/S
detaabnelydteater.dkDANDOMAIN A/S
detåbnelydteater.dkDANDOMAIN A/S
esbbib.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
esbkomm.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
greenskills.dkDANDOMAIN A/S
grenzpfad.dkDANDOMAIN A/S
grænsesti-skole.dkDANDOMAIN A/S
grænsesti.dkDANDOMAIN A/S
heiratenindänemark.dkDANDOMAIN A/S
heirateninribe.dkDANDOMAIN A/S
hjertingskole.dkDANDOMAIN A/S
huset-esbjerg.dkDANDOMAIN A/S
komudbud.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
spangsbjergskolen.dkDANDOMAIN A/S
sydvestjyskbrandvæsen.dkDANDOMAIN A/S
sønderrisskolen.dkDANDOMAIN A/S
udbudspanelet.dkDANDOMAIN A/S
vadehavsfestival.dkDANDOMAIN A/S
vadehavssekretariat.dkDANDOMAIN A/S
vadehavssekretariatet.dkDANDOMAIN A/S
vejrupboerneby.dkDANDOMAIN A/S
vejrupbørneby.dkDANDOMAIN A/S
vejrupskole.dkDANDOMAIN A/S
vitaskolen.dkDANDOMAIN A/S
vittenbergskolen.dkDANDOMAIN A/S
weddinginribe.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
25ms
A
30ms
MX
31ms
AAAA
30ms
TXT
154ms
CAA
31ms
HTTPS
29ms
TLSA
48ms
SOA
0ms
MTA-STS
43ms
DNSSEC
103ms
SRV
64ms
Total
478ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 00:30:28 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 shown 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